Dia-Compe

Shop Dia-Compe brakes and components at Swinnerton Cycles. Dia-Compe is a legendary Japanese brand with a heritage stretching back to 1951, producing high-quality brakes, levers, shifters, and mudguards that have been trusted by cyclists worldwide for over 70 years. Originally renowned for their caliper and cantilever brakes, Dia-Compe has become...

Shop Dia-Compe brakes and components at Swinnerton Cycles. Dia-Compe is a legendary Japanese brand with a heritage stretching back to 1951, producing high-quality brakes, levers, shifters, and mudguards that have been trusted by cyclists worldwide for over 70 years. Originally renowned for their caliper and cantilever brakes, Dia-Compe has become a go-to brand for classic, retro, and touring cyclists who appreciate traditional Japanese engineering quality and timeless design.

From friction bar-end shifters beloved by touring cyclists to alloy mudguards and brake components, Dia-Compe products combine proven functionality with the kind of build quality that lasts decades. Their components are a popular choice for classic road bike restorations, randonneuring builds, and cyclists who prefer the simplicity and reliability of friction shifting.

  • Bar-end friction shifters for touring and classic road bikes
  • Caliper and cantilever brake levers and components
  • Alloy mudguards for road and touring bikes in multiple tyre widths
  • Compatible with standard road and touring bike setups
  • Japanese engineering quality trusted since 1951
  • Ideal for classic bike restorations and randonneuring builds

Dia-Compe Best Sellers

Browse our full range of bike brakes, cycling mudguards, and bike components at Swinnerton Cycles.

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  • Dia-Compe ENE F-1 alloy mudguards for road bikes with 700x23C-28C tires, lightweight bike accessories for mud protection.Dia-Compe ENE F-1 alloy mudguards for road bikes, fitting 700x23c to 700x28c tires, with lightweight alloy construction.

      Dia-Compe ENE F-1 Alloy Mudguards Road Guards for 700X23C-700X28C Tires

      These Dia-Compe ENE F-1 Alloy Mudguards offer durable protection with their high polished aluminum finish. Designed for 700X23C to 700X28C tires, they provide reliable coverage and a sleek look. With a width of 35mm and depth of 20mm, these mudguards effectively shield against road...
      £48.32
      £49.99
      £48.32
      Save £1.67
    • Dia-Compe Bar End Shift Levers Road ShiftersDia-Compe Bar End Shift Levers Road Shifters | Swinnerton Cycles

        Dia-Compe Bar End Shift Levers Road Bike Shifters Friction Control Compatible

        Dia-Compe Bar End Shift Levers are designed to replace the bar end plugs on drop handlebars, offering a seamless integration with your bike’s setup. Featuring an internal expander clamp, these shifters provide smooth and reliable gear changes. The Power Ratchet friction control ensures effortless...
        £72.49
        £74.99
        £72.49
        Save £2.50
      • Dia-Compe DC980 cantilever brakes with dual spring tension adjustment and cables for bicycle component performance.Dia-Compe DC980 cantilever brake with dual spring tension adjustment and cables, bicycle component for reliable stopping power.

          Dia-Compe DC980 Cantilever Brakes with Dual Spring Tension Adjustment & Cables - Black

          The Dia-Compe DC980 Cantilever Brakes offer reliable stopping power with their cold forged aluminum arms, available in silver or black anodised finishes. Featuring dual spring tension adjustment, they provide precise control and smooth braking performance. Equipped with DC980 pads and including the 1274-380 Straddle...
          £33.83
          £34.99
          £33.83
          Save £1.16
          • Silver
          • Black
        • Dia-Compe MX-2 lever brakes for cantilever and V-brake systems, featuring adjustable leverage for reliable bicycle stopping power.Black Dia-Compe MX-2 lever brakes for cantilever and V-brake systems with adjustable leverage, bicycle component.

          Dia-Compe MX-2 Lever Brakes for Cantilever & V-Brake Systems, Adjustable Leverage - Black, Black

          The Dia-Compe MX-2 Lever Brakes deliver precise control and reliable stopping power for your bike. Crafted from cold forged alloy, the 2-finger lever blades offer adjustable leverage to suit both cantilever and V-brake systems. Designed with cast alloy brackets and an aluminium clamp, these...
          £16.99
          £16.99
          • Black, Black
          • Black, Red
          • Black, Silver
        • Dia-Compe 810 Classic bicycle brakes with adjustable fit and MX1000 pads, showcasing durable component design and detailed hardware.Dia-Compe 810 Classic brake components with adjustable 61-79mm fit and MX1000 pads, shown in silver.

          Dia-Compe 810 Classic Brakes with Adjustable 61-79mm Fit and MX1000 Pads - Silver

          The Dia-Compe 810 Classic Brakes combine durable cold forged aluminum arms with a sleek silver anodized finish for reliable stopping power. Their adjustable 61mm-79mm dimension fits various wheel sizes, enhanced by MX1000 pads for effective braking. What It’s Good For Precise braking control on...
          £21.99
          £21.99
          • Silver
        • Dia-Compe ENE F-3 alloy road mudguards for 650x35C-650x38C tires, lightweight bike accessories for mud protection.Dia-Compe ENE F-3 alloy road mudguards for 650x35C-38C tires, shown in black with mounting hardware for bicycle protection.

            Dia-Compe ENE F-3 Alloy Road Mudguards for 650X35C-650X38C Tyres - Silver Mottle

            These Dia-Compe ENE F-3 alloy mudguards offer durable aluminum construction with a high polished finish for a sleek look. Designed to fit 650X35C to 650X38C tyres, they provide effective protection against road spray. With a width of 47mm and depth of 20mm, these mudguards...
            £67.65
            £69.99
            £67.65
            Save £2.34
            • Black Mottle
            • Silver Mottle
          • Dia-Compe stainless steel 90° V-Pipe and boot for bicycle brake cables, component part for V-brake systems.

              Dia-Compe D/C V-Pipe & Boot Stainless Steel 90° Single Bicycle Brake Cable Part

              The Dia-Compe D/C V-Pipe & Boot Ss 90 Deg Single is a meticulously crafted component designed to elevate bicycle brake systems with its robust stainless steel construction. Engineered for durability and resistance to corrosion, this 90-degree V-pipe and boot ensures reliable cable routing that...
              £17.40
              £17.40
            • Dia-Compe steel bicycle brake hanger component for bike brake systems, shown in the image.Dia-Compe steel brake hanger for bicycle brake systems, showing close-up of the spare component with mounting holes and metal finish.

              Dia-Compe Steel Brake Hanger Spares & Accessories for Bicycle Brake Systems - Silver

              The Dia-Compe Steel Brake Hanger Spares & Accessories are engineered to provide exceptional durability and reliable performance for your bicycle’s braking system. Made from high-quality steel, these components offer a precise fit and robust construction, ensuring your brakes remain aligned and function smoothly under...
              from £9.99
              from £9.99
              • Silver
            • Dia-Compe Gran Compe Se Threaded Headsetdia compe headset gran compe se threaded p97865

              Dia-Compe Gran Compe SE Threaded Headset for 1" Threaded Forks with Caged Bearings - Chrome

              The Dia-Compe Gran Compe Se Threaded Headset is a reliable and high-quality choice designed specifically for 1" threaded type forks. Crafted from durable steel, this classic headset ensures smooth steering and long-lasting performance, making it an excellent upgrade or replacement for vintage or traditional...
              from £16.99
              from £16.99
              • Chrome
              • Black
              • Gold
            • Dia-Compe DP-7 MTB brake levers for disc and V-brakes with adjustable reach, shown mounted on a mountain bike handlebar.Dia-Compe DP-7 MTB brake levers for disc and V-brakes with adjustable reach, shown mounted on a mountain bike handlebar.

                Dia-Compe DP-7 MTB Brake Levers for Disc and V-Brakes with Adjustable Reach

                Discover the Dia-Compe Dp-7 Disc/V Brakes, designed to deliver reliable stopping power for various bike setups. Crafted from strong yet lightweight aluminium, these MTB-style brake levers offer adaptability with their switchable cable pull, making them compatible with disc brakes, side pull calipers, cantilevers, and...
                £16.99
                £16.99
              • Dia-Compe ENE thumb road shifters for 8, 9, and 10-speed bikes with cable adjuster, shown with ergonomic design and mounting hardware.Dia-Compe ENE thumb road shifters for 8, 9, and 10-speed bikes with cable adjuster, showcasing ergonomic design and branding.

                Dia-Compe ENE Thumb Road Shifters for 8, 9 & 10-Speed Bikes with Cable Adjuster - Silver

                Experience precise gear changes with the Dia-Compe Road Shifters - ENE Thumb Shifter. Crafted from aluminum CNC with a sleek silver or black anodized finish, these shifters fit handlebars with diameters of ?26.0mm, ?23.8mm, or ?22.2mm using shims. Designed for 8, 9, and 10-speed...
                from £72.49
                £74.99
                from £72.49
                Save £2.50
                • Silver
                • Black
              • Dia-Compe track hub locknuts for M9 front and M10 rear spares, designed for bicycle track hubs, shown in a close-up image.Dia-Compe track hub locknuts, M9 front and M10 rear spares, for track bicycle hubs, shown in the image.

                Dia-Compe Track Hub Locknuts M9 Front & M10 Rear Spares for Track Hubs - Silver

                These Dia-Compe Track Hub Locknuts are essential spares for maintaining your track hubs. Designed specifically for Dia Compe track hubs, they ensure secure and reliable performance. Available in M9 size for the front and M10 size for the rear, these locknuts provide a perfect...
                from £5.99
                from £5.99
                • Silver
              • Dia-Compe Ene downtube road shifters for 8, 9, and 10-speed bikes, showing the ergonomic design and gear indicatorDia-Compe Ene downtube road shifters for 8, 9, and 10-speed bikes, shown installed on a bicycle drivetrain.

                  Dia-Compe Ene Downtube Road Shifters for 8, 9 & 10-Speed Bikes

                  Experience precise gear changes with the Dia-Compe Ene Downtube Shift Levers, designed for smooth road cycling performance. Compatible with 8, 9, and 10-speed systems, these shifters provide reliable transmission control for your bike. Crafted for down tube use, they offer a classic look while...
                  £48.32
                  £49.99
                  £48.32
                  Save £1.67
                • Dia-Compe Ene alloy road bike stem, 80mm and 100mm lengths, for 1-inch steerer and 26mm handlebar clamp, bicycle component.Dia-Compe Ene alloy road bike stem, 80mm and 100mm lengths, for 1-inch steerer tubes with 26mm clamp, bike component parts.

                    Dia-Compe Ene Alloy Road Bike Stem 80mm & 100mm for 1" Steerer 26mm Clamp - Polished

                    The Dia-Compe Ene Alloy Road Stem combines lightweight design with durable aluminum cold forging, ensuring reliable steering performance. Its CNC-drilled holes reduce weight without sacrificing strength, making it ideal for road cycling enthusiasts seeking efficiency and control. With a 70° angle and a 26mm...
                    £53.16
                    £54.99
                    £53.16
                    Save £1.83
                    • Polished
                  • Dia-Compe Ahead Starnut for threadless headset systems, steel and alloy steerers, close-up of the component for bike steering parts.Dia-Compe Ahead Starnut for threadless headset systems, made of steel and alloy steerers, shown installed on bicycle component.

                    Dia-Compe Ahead Starnut for Threadless Headset Systems – Steel & Alloy Steerers

                    The Dia-Compe Ahead Starnut is essential for adjusting threadless aheadset system headsets with precision. Designed for both steel and alloy steerers, it ensures a secure fit and smooth steering performance. Easy to install and reliable in use. Please note, it is not compatible with...
                    £1.99
                    £1.99
                  • Dia-Compe 188 bar tape grips for reverse levers in brown and black, made for comfortable bike handlebar control.Dia-Compe 188 Bar Tape grips in brown and black for 188 reverse brake levers, made for bicycle handlebar comfort and control.

                      Dia-Compe 188 Bar Tape Grips for 188 Reverse Levers – Brown & Black Options - Black

                      Enhance your bike's comfort and control with Dia-Compe 188 Grips Bar Tape. Designed to perfectly match 188 reverse levers, these grips feature grooves for cable housing, ensuring a secure fit and stylish look. Available in classic Brown and Black, the bar tape offers both...
                      £7.99
                      £7.99
                      • Black
                      • Brown
                    • Dia-Compe Gran Compe 27.2mm bike seatpost with micro-adjust mechanism for secure saddle positioning.Dia-Compe Gran Compe 27.2mm bike seatpost with micro-adjust mechanism and clamp for securing bike saddles.

                      Dia-Compe Gran Compe 27.2mm Seatpost with Micro-Adjust for Bike Saddles - Silver

                      The Dia-Compe Gran Compe Seatpost offers precise micro-adjustment for optimal riding comfort. Crafted from forged 6061 alloy, it combines durability with a sleek, high-polish or white powder coat finish. Available in black, silver, or white, this 27.2mm seatpost weighs just 240g, making it an...
                      from £48.32
                      £49.99
                      from £48.32
                      Save £1.67
                      • Silver
                      • White
                      • Black
                    • Dia-Compe MX-122 BMX and Fixie brake components with adjustable clamps for regular calipers, designed for reliable bike stopping power.Dia-Compe MX-122 BMX and Fixie brake components with multiple clamp sizes for regular calipers, shown with brake parts and mounting hardware.

                      Dia-Compe MX-122 BMX & Fixie Brakes with Multiple Clamp Sizes for Regular Calipers - Black

                      Experience reliable stopping power with the Dia-Compe Mx-122 Brakes, a reissue of the iconic 1980s BMX brake levers. Crafted from lightweight alloy at just 88g per pair, these brakes offer durability without added weight. Designed with multiple clamp sizes, they fit a wide range...
                      £17.99
                      £17.99
                      • Black
                      • Silver
                    • Dia-Compe 282S road bike brakes with extended lever and hinged clamp, 22.2mm diameter, for cycling component upgrades.Dia-Compe 282S road bike brakes with extended lever and hinged clamp, 22.2mm, shown installed on a bike.

                      Dia-Compe 282S Road Bike Brakes with Extended Lever & Hinged Clamp 22.2mm - Black, Silver

                      The Dia-Compe 282S Brakes feature a 20mm longer lever handle than the Tech77(182S-Ⅱ), offering enhanced control and comfort. Crafted with a diecast aluminum bracket and A6061 forged aluminum lever handle, these brakes combine durability with a sleek design. The black bracket and silver lever...
                      £21.99
                      £21.99
                      • Black, Silver
                    • Dia-Compe MX1000 BMX brake calipers with vintage style design and OPC30 brake pads, component for BMX bikes.Dia-Compe MX1000 BMX vintage-style caliper brakes with OPC30 pads, showcasing the classic component design for BMX bikes.

                      Dia-Compe MX1000 BMX Brakes Vintage Style Caliper Brakes with OPC30 Pads - Silver

                      Experience the classic performance of the Dia-Compe MX1000 BMX brakes, a true icon from the 70s and 80s. These rad old skool caliper brakes bring authentic vintage style combined with reliable stopping power, perfect for restoring a retro bike or adding nostalgic flair to...
                      from £27.06
                      £27.99
                      from £27.06
                      Save £0.93
                      • Silver
                      • White
                      • Red
                      • Blue
                    • Dia-Compe recessed brake nut spare for road caliper brakes, close-up of component for bicycle brake system.Dia-Compe recessed brake nut spare for road caliper brakes, close-up of component for bicycle brake system.

                      Dia-Compe Recessed Brake Nut Spares for Road Caliper Brakes & Accessories - Silver

                      Durable brake nut spares from Dia-Compe designed for road caliper brakes. Ensure smooth and reliable brake function with these essential components. Perfect for maintaining and upgrading your bike's braking system. What It’s Good For Replacing worn or damaged brake nuts Improving brake performance on...
                      from £1.99
                      from £1.99
                      • Silver
                    • Dia-Compe brake lever shims for 22.2mm handlebars, bike components accessory for proper brake lever fit and adjustment.Dia-Compe brake lever shims for 22.2mm handlebars, bicycle component spares and accessories, shown in black and silver.

                        Dia-Compe Brake Lever Shims for 22.2mm Handlebars – Spares & Accessories

                        Dia-Compe Lever Shims allow you to fit a 25.4mm brake lever onto a 22.2mm handlebar easily. Crafted from durable alloy, these silver shims ensure a secure and precise fit for optimal brake performance. What It’s Good For Adapting brake levers to different handlebar sizes...
                        £2.99
                        £2.99
                      • Dia-Compe front rack accessory with light brackets for GC610 and DC750 brake mounts on a bicycle.Dia-Compe front rack accessory with light brackets for GC610 and DC750 brake mounts, suitable for bicycle front storage.

                          Dia-Compe Front Rack for GC610 & DC750 Brake Mounts with Light Brackets

                          The Dia-Compe Brake Mount Front Rack offers a lightweight solution to carry your essentials with ease. Crafted from durable Steel CP, it’s designed specifically for GC610 & DC750 brakes, ensuring perfect compatibility and reliable performance. This front carrier features 4 light brackets, enhancing safety...
                          £43.48
                          £44.99
                          £43.48
                          Save £1.51
                        • Dia-Compe Ene Bar End Shift Levers Road ShiftersDia-Compe Ene Bar End Shift Levers Road Shifters | Swinnerton Cycles

                            Dia-Compe Ene Bar End Shift Levers for Road Bikes – Precise Indexed Shifters

                            Enhance your road bike's performance with Dia-Compe Ene Bar End Shift Levers. Featuring a sleek silver clear finish, these shifters deliver precise, reliable power ratchet shifting for smooth gear changes. Designed specifically for road cycling, they ensure optimal transmission control and durability, making your...
                            £72.49
                            £74.99
                            £72.49
                            Save £2.50
                          • Dia-Compe 189 Reverse Brakesdia compe brake 189 reverse p97009

                            Dia-Compe 189 Reverse Brake Levers for Time Trial & Urban Cycling with Cable Routing - Silver, Silver

                            The Dia-Compe 189 Reverse Brakes offer a unique solution for Time Trials and urban cycling, combining functionality with a sleek design. These specialty reversed pull levers hinge on the outside, allowing the cable to run neatly along the outside of the handlebar. Designed to...
                            £53.16
                            £54.99
                            £53.16
                            Save £1.83
                            • Silver, Silver
                            • Black, Black
                          • Dia-Compe Small Flange Track Hubdia compe hub small flange track hub p98117

                            Dia-Compe Small Flange Track Hub for Single Speed Bikes with Sealed Bearings - Black

                            The Dia-Compe Small Flange Track Hub is designed for single speed bikes, offering durability with its cold forged aluminum hub body. Featuring sealed bearings and aluminum lock nuts, it ensures smooth performance and longevity. Available in silver, this hub supports front 32H and rear...
                            £67.65
                            £69.99
                            £67.65
                            Save £2.34
                            • Black
                            • Silver
                          • Dia-Compe Small Flange Track Hubdia compe hub small flange track hub p137138

                            Dia-Compe Small Flange Track Hub for Single Speed Bikes with Sealed Bearings 32H - Silver

                            The Dia-Compe Small Flange Track Hub is crafted for single speed bikes, offering durable performance with a cold forged aluminum body. Equipped with sealed bearings and aluminum lock nuts, it ensures smooth rotation and reliable strength for both front and rear wheels. Its sleek...
                            £57.99
                            £59.99
                            £57.99
                            Save £2.00
                            • Silver
                            • Black
                          • Dia-Compe Gran Compe II track hub for fixed gear and freewheel bikes, featuring durable components and a sleek design.Dia-Compe Gran Compe II track hub for fixed gear and freewheel bikes, showcasing the durable metal hub with branding details.

                              Dia-Compe Gran Compe II Track Hub for Fixed Gear & Freewheel Bikes

                              The Dia-Compe Gran Compe II Track Hub offers reliable performance for both fixed and freewheel setups. Crafted with precision, it ensures smooth rotation and durability for your track or fixed-gear bike. Its solid construction supports efficient power transfer, making it a dependable choice for...
                              £67.65
                              £69.99
                              £67.65
                              Save £2.34
                            • Dia-Compe Gran Compe Ii Track HubDia-Compe Gran Compe Ii Track Hub

                              Dia-Compe Gran Compe II Track Hub Double Fixed Thread for Track Cycling - Black

                              The Dia-Compe Gran Compe Ii Track Hub offers reliable performance with a double fixed thread design. Crafted for smooth rotations and durability, it’s ideal for track cycling enthusiasts seeking quality and precision. What It’s Good For Ensuring consistent and secure wheel attachment Providing smooth...
                              £67.65
                              £69.99
                              £67.65
                              Save £2.34
                              • Black
                            • Dia-Compe Gran Compe II track hub with sealed bearings, available in 32H and 36H, used for bicycle wheel components.Dia-Compe Gran Compe II track hub with sealed bearings, available in 32H and 36H front options, bike components for racing.

                              Dia-Compe Gran Compe II Track Hub with Sealed Bearings 32H & 36H Front Options - Black

                              The Dia-Compe Gran Compe II Track Hub offers a durable, cold forged aluminum body designed for strength and longevity. Equipped with sealed bearings, it ensures smooth rotation and reliable performance on every ride. Available in both 32H and 36H front options to suit your...
                              £57.99
                              £59.99
                              £57.99
                              Save £2.00
                              • Black
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                            Discover the Dia-Compe collection at Swinnerton Cycles. Dia-Compe is a Japanese manufacturer with a long heritage in producing quality brake systems, levers, and components for road, track, and BMX bikes — trusted by custom builders and vintage enthusiasts worldwide. Browse the full Dia-Compe range and explore our wider Bike Brakes and Brake Pads collections.

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