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 204 Qr Brakesdia compe brake 204 qr p97010

    Dia-Compe 204 QR Cantilever Brakes for Touring Bikes with Quick Release - Brown, Silver

    The Dia-Compe 204 QR Brakes combine reliable performance with classic style, designed specifically for touring bikes using cantilever brakes. Featuring a diecast aluminum bracket and a silver finish on the lever handle, these brakes offer both durability and a sleek look. The quick release...
    £28.99
    £29.99
    £28.99
    Save £1.00
    • Brown, Silver
    • Black, Silver
  • Dia-Compe 188 Reverse Brakesdia compe brake 188 reverse p97008

      Dia-Compe 188 Reverse Brakes for Time Trial Bikes with Internal Cable Routing - Black

      The Dia-Compe 188 Reverse Brakes deliver precise control and a clean aesthetic, perfect for Time Trial enthusiasts. Their unique outside-hinge design combined with an internal cable feed ensures sleek integration with your handlebars. Easy to install with an expanding plug, they fit 18mm bars...
      £24.15
      £24.99
      £24.15
      Save £0.84
      • Black
      • Brown
    • Dia-Compe 165 Extension Levers Brakesdia compe brake 165 extension levers p97007

      Dia-Compe 165 Extension Levers for Side-Pull, Cantilever & Center-Pull Brakes - Black, Silver

      The Dia-Compe 165 Extension Levers offer precise control for Side-pull, Cantilever, and Center-pull brakes. Crafted from durable A6061 forged aluminum, these levers combine strength with lightweight design, finished in sleek silver for a polished look. Comfortable rubber hoods in black or brown enhance grip...
      £38.66
      £39.99
      £38.66
      Save £1.33
      • Black, Silver
      • Brown, Silver
    • Dia-Compe 139 Levers BrakesDia-Compe 139 Levers Brakes

      Dia-Compe 139 Road Bike Brake Levers with 23.8mm Clamp and Guidonnet Design - Silver

      Experience precise control with the Dia-Compe 139 Levers Brakes, designed for reliable performance and durability. Crafted with an aluminum lever handle and bracket, these brakes offer lightweight strength with a sleek black anodised finish. Equipped with a stainless clamp (23.8mm) and guidonnet lever, they...
      £31.89
      £32.99
      £31.89
      Save £1.10
      • Silver
      • Black
    • Dia-Compe 135 Levers Brakesdia compe brake 135 levers p97005

      Dia-Compe 135 Brake Levers for Straight Handlebars, Alloy, Multiple Clamp Sizes - Silver

      Dia-Compe 135 Levers offer reliable braking performance with a sleek design for straight handlebars. Crafted from durable alloy, they ensure long-lasting use and precise control. Available in Silver, Gold, or Black, these levers fit 22.2mm and 23.8mm clamp sizes, making them versatile for various...
      from £28.99
      £29.99
      from £28.99
      Save £1.00
      • Silver
      • Gold
      • Black
    • Dia-Compe Gc202 Drilled Brakesdia compe brake gc202 drilled p97017

      Dia-Compe GC202 Drilled Touring Bike Brakes with Cable Adjuster and Aluminum Bracket - Black, Silver

      The Dia-Compe GC202 Drilled Brakes combine precision engineering with durable materials to enhance your touring bike's braking performance. Featuring a CNC hole lever handle and a diecast aluminum bracket, these brakes ensure reliable stopping power with a lightweight design. The aluminum plate lever handle...
      £57.99
      £59.99
      £57.99
      Save £2.00
      • Black, Silver
      • Brown, Silver
      • White, Silver
    • Dia-Compe MX-2 Lo-Pro V-Type bike brakes with dual spring adjustment and low profile pads, mounted on a bicycle wheel.Dia-Compe MX-2 Lo-Pro V-Type bike brakes with dual spring adjustment and low profile pads, shown in red.

        Dia-Compe Mx-2 Lo-Pro V-Type Bike Brakes with Dual Spring Adjustment & Low Profile Pads - Red

        Experience reliable stopping power with the Dia-Compe Mx-2 Lo-Pro Brakes. These cold forged brakes feature dual spring adjustment for precise control and smooth performance. Designed as a great value regular V-type brake, they come supplied with low profile S-pads for enhanced braking efficiency. Available...
        from £26.08
        £26.99
        from £26.08
        Save £0.91
        • Red
        • Silver
        • Black
      • Dia-Compe Track Brake BrakesDia-Compe Track Brake Brakes

        Dia-Compe Track Brake Front Brake Cable Assembly Kit with 25mm Clamp - Black

        The Dia-Compe Track Brake Brakes offer reliable stopping power specifically designed for track race bikes. This set includes a front brake cable and assembly kit, ensuring a smooth and secure installation. With a circle type clamp of 25mm diameter, these brakes fit precisely and...
        £72.49
        £74.99
        £72.49
        Save £2.50
        • Black
        • Silver
      • Dia-Compe BRS9000 Ti road bike brakes with indexed quick-release and cartridge pads, showcasing lightweight titanium components.

        Dia-Compe BRS9000 Ti Road Bike Brakes with Indexed QR & Cartridge Pads - Black

        Experience superior stopping power with the Dia-Compe Brs9000 Ti Road Brakes. Crafted from cold forged superlight alloy and equipped with titanium hardware, these brakes offer durability and performance. The indexed QR function and cartridge pads provide easy maintenance and precise adjustment for a smooth...
        from £50.00
        £59.99
        from £50.00
        Save £9.99
        • Silver
        • Black
      • Dia-Compe BRS101 road bike brakes with dual pivot design, quick release, and adjustable reach for high-performance cycling components.Dia-Compe BRS101 road bike brake calipers with dual pivot, quick release, and adjustable reach 43-57mm, mounted on a bike.

        Dia-Compe BRS101 Road Bike Brakes Dual Pivot Indexed Quick Release 43-57mm Reach - White

        Dia-Compe Brs101 road brakes offer superior stopping power with a deeper reach of 43-57mm, perfect for varied rim sizes. Crafted from cold forged alloy, these dual pivot brakes ensure lightweight durability. The indexed QR function simplifies quick adjustments, enhancing convenience. What It’s Good For...
        from £25.00
        £29.99
        from £25.00
        Save £4.99
        • Red
        • Gold
        • White
        • Blue
      • Dia-Compe 730 Classic bike brakes with MX1000 pads, adjustable 53-71mm reach, component for reliable stopping powerDia-Compe 730 Classic bicycle brake with MX1000 pads, adjustable reach from 53mm to 71mm, component for bike braking systems.

        Dia-Compe 730 Classic Brakes with MX1000 Pads, Adjustable 53mm-71mm Reach - Silver

        Dia-Compe 730 Classic Brakes offer reliable stopping power with durable cold forged aluminum arms. Their silver anodised finish ensures both style and corrosion resistance. Designed for versatility, they fit a range of setups with dimensions from 53mm to 71mm. Equipped with MX1000 pads, these...
        £21.99
        £21.99
        • Silver
      • Dia-Compe CR-X cantilever brakes with adjustable forged aluminum arms and cartridge pads, bicycle component for reliable stopping.Dia-Compe CR-X cantilever brakes with adjustable forged aluminum arms and cartridge pads, bicycle component for reliable stopping power.

          Dia-Compe CR-X Cantilever Brakes with Adjustable Forged Aluminum Arms and Cartridge Pads - Black

          The Dia-Compe Cr-X Cantilever Brakes offer a wide body design for enhanced stopping power and durability. Crafted with forged anodised aluminum arms, these brakes ensure reliable performance and long-lasting use. Adjustable features allow for precise rim, brake spring, and straddle wire tuning. Equipped with...
          £57.99
          £59.99
          £57.99
          Save £2.00
          • Black
        • Dia-Compe Bulldog 884L BMX front freestyle brake with OPC30/31 pads, showcasing the brake caliper and mounting hardware.Dia-Compe Bulldog 884L front freestyle BMX brakes with OPC30/31 pads, showing the sturdy brake calipers and mounting hardware.

          Dia-Compe Bulldog 884L Front Freestyle BMX Brakes with OPC30/31 Pads - Silver

          Experience superior stopping power with the Dia-Compe Bulldog 884L Front Freestyle BMX Brakes, designed specifically for freestyle BMX riders who demand precision and reliability. These lightweight sidepull caliper brakes combine strength and agility, ensuring that every stop is smooth and controlled. Crafted from cold...
          £14.99
          £14.99
          • Black
          • Silver
        • Dia-Compe Bulldog 884 BMX rear brake caliper with OPC30/31 pads, sidepull design, durable bicycle component.Dia-Compe Bulldog 884 BMX rear sidepull brake caliper with OPC30/31 pads, shown in silver for BMX bike components.

          Dia-Compe Bulldog 884 BMX Rear Brakes with OPC30/31 Pads Sidepull Caliper - Black

          Dia-Compe Bulldog 884 BMX rear brakes offer reliable stopping power with lightweight, cold-forged aluminum arms for durability. Complete with OPC30/31 pads, they ensure smooth and consistent braking performance. Designed specifically for BMX bikes, these sidepull caliper brakes provide precise control and easy installation, enhancing...
          £14.99
          £14.99
          • Black
          • Silver
        • Dia-Compe AD-999 CNC BMX brake with dual tension springs and soft pads, showcasing the high-quality component and detailed design.Dia-Compe AD-999 CNC BMX brake components with dual tension springs and soft pads for reliable stopping power.

            Dia-Compe AD-999 CNC Uni Brakes for BMX with Dual Tension Springs & Soft Pads - White

            Experience precision and durability with the Dia-Compe AD-999 CNC Uni Brakes, designed for BMX enthusiasts seeking top-tier performance. Crafted entirely from CNC aluminum, these brakes offer exceptional strength while maintaining a lightweight profile. The super low profile green alloy spring covers not only enhance...
            from £50.00
            £59.99
            from £50.00
            Save £9.99
            • Green
            • Purple
            • White
            • Black
          • Dia-Compe AD-999 CNC BMX rear U-brakes with dual springs and soft green pads, showcasing the angled brake components.Dia-Compe AD-999 CNC BMX rear U-brakes with dual springs and soft green pads, featuring angled design and high-performance components.

              Dia-Compe AD-999 CNC Uni Angled BMX Rear U-Brakes with Dual Springs & Soft Green Pads - Purple

              The Dia-Compe AD-999 CNC Uni Angled Brakes offer precision engineering with full CNC aluminum arms, ensuring durability and smooth performance. Designed as a top gun version of the classic BMX U-brake, it features super low profile green alloy spring covers and independent dual stainless...
              from £58.00
              £64.99
              from £58.00
              Save £6.99
              • Green
              • Black
              • Purple
              • White
            • Dia-Compe Hombre AD-996 Fiesta BMX brakes with V-type pads mounted on rim, suitable for 22-32mm rims, bicycle brake componentsDia-Compe Hombre AD-996 Fiesta BMX brakes with V-type pads, angled design for rim braking on bikes with 22-32mm tires.

                Dia-Compe Hombre AD-996 Fiesta Angled BMX Brakes with V-Type Pads for Rims 22-32mm - Black

                Experience superior control and stopping power with the Dia-Compe Hombre AD-996 Fiesta Angled Brakes, designed specifically for freestyle BMX riders. The low profile U-brake combined with V-type brake shoes ensures precise braking, while the angled arms deliver maximum performance and responsiveness in every ride....
                from £29.00
                £34.99
                from £29.00
                Save £5.99
                • White
                • Black
              • Dia-Compe MX890 BMX brake set with anodized finish, lightweight design, suitable for 68-86mm frame compatibility, bicycle components.Dia-Compe MX890 BMX brake set in yellow, lightweight anodised components with 68-86mm brake calipers for BMX bikes.

                Dia-Compe MX890 BMX Brakes 68-86mm Anodised Lightweight Brake Set - Blue

                The Dia-Compe Mx890 BMX Brakes combine durability with sleek design, featuring anodised and powder white finishes in multiple colors. Crafted from cold-forged aluminum, they offer reliable stopping power and lightweight performance. Designed for BMX riders seeking responsive braking, these brakes fit dimensions of 68-86mm...
                from £24.15
                £24.99
                from £24.15
                Save £0.84
                • Blue
                • Gold
                • Black
                • Red
              • Dia-Compe 883 QR BMX brake components with quick release levers for front and rear wheels, designed for BMX bicycles.Dia-Compe 883 QR BMX brake components with quick release levers for front and rear wheels, shown installed on a BMX bike.

                Dia-Compe 883 QR BMX Brakes with Quick Release for Front & Rear Wheels - Blue

                Experience reliable stopping power with the Dia-Compe 883 QR BMX brakes, featuring a quick release for easy wheel removal. Crafted from cold forged aluminium, these brakes are both durable and lightweight. Weighing just 210g each, they’re perfect for front or rear installation, blending vintage...
                from £24.15
                £24.99
                from £24.15
                Save £0.84
                • Blue
                • Gold
                • Black
                • Red
              • Dia-Compe 808 E-Bike brakes for 61-79mm drop handlebars, featuring reliable stopping power and high-quality components.Dia-Compe 808 E-Bike brake components for 61-79mm drop handlebars, featuring reliable stopping power and durable design.

                Dia-Compe 808 E-Bike Brakes for 61-79mm Drop Handlebars, Reliable Stopping Power - Silver

                Dia-Compe 808 E-Bike Brakes offer reliable stopping power with high leverage and long reach design. Crafted from cold forged aluminium, they ensure durability and lightweight performance. Suitable for drops between 61-79mm, these brakes enhance your e-bike’s safety and control. What It’s Good For Providing...
                £12.99
                £12.99
                • Silver
              • Dia-Compe 505Q road bike brakes with twist quick release for 45-57mm rims, showcasing their sleek metallic design and brake arms.Dia-Compe 505Q road bike brakes with twist quick release mounted on a rim, designed for 45-57mm wheel rims.

                Dia-Compe 505Q Road Bike Brakes with Twist Quick Release for 45-57mm Rims - Black

                The Dia-Compe 505Q Road Brakes combine lightweight cold forged aluminum arms with a sleek silver or anodised black finish for durability and style. Featuring a twist quick release, they offer easy wheel removal within a 45-57mm dimension. Designed for performance, these brakes provide reliable...
                £19.99
                £19.99
                • Black
                • Silver
              • Dia-Compe BRS202 road bike brakes with dual pivot, quick release, 57-75mm reach, and indexed components for precise stopping.Dia-Compe BRS202 road bike brakes with dual pivot, quick release, and 57-75mm reach for precise cycling component performance

                Dia-Compe BRS202 Road Bike Brakes Dual Pivot Indexed Quick Release 57-75mm Reach - Black

                Experience superior stopping power with the Dia-Compe BRS202 Road Brakes. Designed for road drop bars with a 57-75mm reach, these brakes offer precision and reliability. Crafted from cold-forged alloy, they are both durable and ultra-lightweight, ideal for competitive cyclists. The dual pivot mechanism ensures...
                from £29.00
                £34.99
                from £29.00
                Save £5.99
                • Silver
                • Black
              • Dia-Compe BRS100 road bike cantilever brakes with short drop design and quick release, mounted on a bicycle wheel.Dia-Compe BRS100 road bike brakes with short drop cantilever design and quick release mechanism, shown on a bicycle.

                Dia-Compe BRS100 Road Bike Brakes Short Drop Canti with Indexed Quick Release - White

                Discover the Dia-Compe BRS100 Road Brakes, designed for superior stopping power on road bikes. These short drop canti brakes offer a dual pivot mechanism crafted from cold forged aluminum, ensuring both strength and lightweight performance. The indexed quick release function allows for easy wheel...
                from £25.00
                £29.99
                from £25.00
                Save £4.99
                • Green
                • Black
                • Pink
                • Silver
              • Dia-Compe MX-110 bike brake levers with two-finger silver handles and black finish, designed for bicycle component upgrades.Dia-Compe MX-110 bike brakes with silver two-finger handle and black finish, shown on a bicycle component.

                  Dia-Compe MX-110 Bike Brakes with Two-Finger Silver Handle and Black Finish

                  Experience superior stopping power with the Dia-Compe MX-110 Brakes. Crafted from melt forged aluminum with a sleek black ED finish, these brakes combine durability and style. The silver finish handle and two-finger design ensure comfortable, precise control. What It’s Good For Reliable braking performance...
                  £17.99
                  £17.99
                • Dia-Compe Tech 99 BMX brake components with forged alloy clamp and durable lever blades, designed for high-performance cycling.Dia-Compe Tech 99 BMX brake components with forged alloy clamp and durable lever blades, designed for high-performance cycling.

                    Dia-Compe Tech 99 BMX Brakes with Forged Alloy Clamp and Durable Lever Blades

                    Experience precise control with the Dia-Compe Tech 99 Brakes, designed specifically for BMX riders. These high-performance levers combine classic style with modern engineering for reliable stopping power. Featuring a forged alloy hinged clamp that fits both oversized 25.4mm and standard 22.2mm handlebars, plus cold...
                    £43.48
                    £44.99
                    £43.48
                    Save £1.51
                  • Dia-Compe Tech 6 MX-128 bike brake components with silver finish and aluminum lever handles, designed for reliable bike stopping power.Dia-Compe Tech 6 MX-128 bike brake components with aluminum lever handles and silver finish, suitable for mountain or road bikes.

                      Dia-Compe Tech 6 MX-128 Bike Brakes with Aluminum Lever Handles and Silver Finish

                      Dia-Compe Tech 6 (Mx-128) brakes offer precise stopping power with their cold forged aluminum lever handles and durable aluminum brackets. The silver finish adds a sleek look to your bike. Lightweight and reliable, these brakes ensure smooth control on every ride. What It’s Good...
                      £17.99
                      £17.99
                    • Dia-Compe SS-6 mountain bike brake levers for cantilever, caliper, and disc brakes, showing black levers with ergonomic design.Dia-Compe SS-6 mountain bike brake levers for cantilever, caliper, and disc brakes, showing close-up of the black brake lever components.

                        Dia-Compe SS-6 Mountain Bike Brake Levers for Cantilever, Caliper & Disc Brakes

                        Experience superior braking performance with the Dia-Compe Ss-6 Mtn Brakes, designed specifically for mountain biking enthusiasts seeking reliable control and power. Crafted from strong yet lightweight aluminium, these brake levers offer a high power cable pull ratio, making them compatible with a variety of...
                        £28.99
                        £29.99
                        £28.99
                        Save £1.00
                      • Dia-Compe 131 road bike brake levers for curved handlebars, 23.8mm clamp, lightweight aluminum components for cycling.Dia-Compe 131 road bike brake levers with 23.8mm clamp for curved handlebars, showing the lever and grip details.

                          Dia-Compe 131 Road Bike Brake Levers for Curved Handlebars 23.8mm Clamp

                          Upgrade your road bike with Dia-Compe 131 Levers Brakes, designed for curved handlebars. Featuring a secure 23.8mm clamp and lightweight silver finish, these levers provide smooth, reliable braking performance. What It’s Good For Optimal control for road bikes with curved bars Lightweight design at...
                          £19.99
                          £19.99
                        • Dia-Compe track brake set with BRS 101 dual pivot caliper and adaptor plate, shown mounted on a bicycle.Dia-Compe track brake set with BRS 101 dual pivot caliper and adaptor plate, showcasing bicycle brake components.

                            Dia-Compe Track Brake Set with BRS 101 Dual Pivot Caliper & Adaptor Plate

                            Upgrade your bike with the Dia-Compe Track Brake Set, designed specifically for rear track frames without a rear brake mount. This set features the BRS 101 Dual Pivot caliper, ensuring reliable stopping power and smooth operation. Crafted from cold-forged alloy, it offers a lightweight...
                            £57.99
                            £59.99
                            £57.99
                            Save £2.00
                          • Dia-Compe track brake calipers with adaptor plate for rear mount on free frames, cycling components for bike braking systems.Dia-Compe track brake calipers with adaptor plate for rear mount on free frames, cycling bike component for reliable braking.

                              Dia-Compe Track Brake Calipers with Adaptor Plate for Rear Mount-Free Frames

                              The Dia-Compe Track Brake Brakes offer precise stopping power with their BRS 101 Dual Pivot caliper design, tailored for frames lacking a rear brake mounting position via a nutted fixing clamp on adaptor plate. Crafted from cold forged aluminum, these brakes are both lightweight...
                              £43.48
                              £44.99
                              £43.48
                              Save £1.51
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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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