KMC

KMC at Swinnerton CyclesKMC is one of the world's leading chain manufacturers, producing high-quality chains for road, MTB, BMX, and e-bike drivetrains. Founded in Taiwan in 1977, KMC chains are trusted by professional cycling teams and home mechanics worldwide for their precision manufacturing, smooth shifting, and long service life. Their...

KMC at Swinnerton Cycles

KMC is one of the world's leading chain manufacturers, producing high-quality chains for road, MTB, BMX, and e-bike drivetrains. Founded in Taiwan in 1977, KMC chains are trusted by professional cycling teams and home mechanics worldwide for their precision manufacturing, smooth shifting, and long service life. Their X-series chains are compatible with all major groupsets from Shimano, SRAM, and Campagnolo — making them a versatile and reliable choice for any drivetrain. At Swinnerton Cycles, we stock KMC chains across a range of speeds and applications. Browse our full Bike Chains and Drivetrain collections.

Popular KMC Products

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  • KMC Bosch Gen 3 38T direct mount C-ring, 3mm offset NTP chainring for e-bike components, shown in detailed close-up.

      KMC Bosch Gen 3 38T Direct Mount C-Ring 3mm Offset NTP Chainring for E-Bike

      Upgrade your Bosch 3rd generation e-bike with the KMC Bosch Gen 3 38T Direct Mount C/Ring 3Mm Offset Ntp Chain Ring, designed to deliver exceptional performance and durability. Crafted from hardened Chromoly steel, this chainring offers extreme precision and long-lasting strength, ensuring smooth and...
      £20.08
      £24.00
      £20.08
      Save £3.92
    • Kmc Bosch Front 20T Blk 1/8" Chain RingKmc Bosch Front 20T Blk 1/8" Chain Ring | Swinnerton Cycles

        KMC Bosch Front 20T 1/8" Chain Ring for Bosch II E-Bike Systems Black

        The Kmc Bosch Front 20T Blk 1/8" Chain Ring is engineered specifically for e-bikes equipped with Bosch mid motors, designed to withstand the intense and continuous load these systems generate. This chain ring offers a durable and reliable upgrade or replacement option for your...
        £11.59
        £13.00
        £11.59
        Save £1.41
      • Kmc Bosch Front 18T Blk 1/8" Chain RingKmc Bosch Front 18T Blk 1/8" Chain Ring | Swinnerton Cycles

          KMC Bosch Front 18T 1/8" Chain Ring for Bosch II E-Bike Mid Motors Black

          The KMC Bosch Front 18T Blk 1/8" Chain Ring is engineered specifically for e-bikes equipped with Bosch mid motors, designed to withstand the intense and constant load these drivetrains endure. Crafted from durable chromoly steel, this chainring offers exceptional strength and longevity, ensuring reliable...
          £11.59
          £13.00
          £11.59
          Save £1.41
        • KMC Bosch front 18T chain ring for Bosch II E-bike systems, bicycle components for enhanced gear performance.KMC Bosch front 18T chain ring for Bosch II e-bike systems, showcasing the metal chainring with mounting holes on a neutral background.

            KMC Bosch Front 18T Chain Ring 11/128" for Bosch II E-Bike Systems

            Designed specifically for Bosch E-Bike systems, the KMC Bosch Front 18T Blk 11/128" Chain Ring offers exceptional durability and performance. Crafted from chromoly steel, this chainring ensures long-lasting strength while maintaining a lightweight profile. It perfectly fits Bosch II motors, providing a reliable upgrade...
            £8.89
            £10.00
            £8.89
            Save £1.11
          • KMC Bosch front 15T chain ring for e-bike drivetrains, narrow profile, compatible with 11/128-inch components, bicycle componentsKMC Bosch front 15T chain ring for e-bike drivetrains, narrow profile, compatible with 11/128" components, durable bike component

              KMC Bosch Front 15T Chain Ring 11/128" Narrow Profile for E-Bike Drivetrains

              The KMC Bosch Front 15T Blk 11/128" Chain Ring is engineered to withstand the high demands of e-bikes equipped with powerful Bosch mid motors. Designed specifically for Bosch E-Bike systems, this chainring provides durability and reliability, ensuring smooth and efficient power transfer on every...
              £8.89
              £10.00
              £8.89
              Save £1.11
            • Kmc 104Pcd 4 Arm Narrow/Wide E-Bike Chainring

                KMC 104 PCD 4-Arm Narrow Wide E-Bike Chainring for MTB Drivetrain Efficiency

                The Kmc 104Pcd 4 Arm Narrow/Wide E-Bike Chainring is engineered for optimal performance and durability. Crafted from high-grade AL7075 T6 aluminum and CNC milled in Europe, this chainring ensures precise fit and long-lasting strength. Designed specifically for cranksets with a 104BCD, it offers maximum...
                £60.00
                £70.00
                £60.00
                Save £10.00
              • Kmc X-Glide Cues Chain 118L/126L ChainKmc X-Glide Cues Chain 118L/126L Chain

                KMC X-Glide Cues Chain 118L/126L for Shimano CUES 9-11 Speed E-Bike Systems - Grey

                The KMC X-Glide Cues Chain 118L/126L is engineered specifically for Shimano CUES 9 to 11 speed E-Bike systems, ensuring flawless and responsive shifting every time you ride. Its special plate design caters to wider cog teeth, providing reinforced strength and seamless gear transitions. With...
                from £16.24
                £19.00
                from £16.24
                Save £2.76
                • Grey
              • KMC X-Glide EPT bike chain for Shimano CUES 9-11 speed e-bike systems, featuring 118L/126L links and durable component design.KMC X-Glide EPT chain for Shimano CUES 9-11 speed e-bike systems, showing the silver bike chain with links.

                KMC X-Glide EPT Chain for Shimano CUES 9-11 Speed E-Bike Systems 118L/126L - Silver

                Experience seamless performance with the KMC X-Glide EPT Cues Chain, meticulously engineered for Shimano CUES 9 to 11 speed E-Bike systems. This chain ensures smooth and decisive shifting, delivering reliable power transfer across all terrains. Its innovative plate design accommodates wider cog teeth, enhancing...
                from £19.30
                £25.00
                from £19.30
                Save £5.70
                • Silver
              • Kmc X12 Dlc Pre-Waxed Chain 126L ChainKmc X12 Dlc Pre-Waxed Chain 126L Chain

                  KMC X12 DLC Pre-Waxed 126L Chain for 12-Speed Drivetrains & E-Bikes - Blue

                  The KMC X12 DLC Pre-Waxed Chain 126L is engineered for cyclists seeking top-tier performance in 12-speed drivetrains. Coated with KMC’s innovative diamond-like DLC (Diamond-Like Carbon) surface, this chain dramatically reduces friction and enhances durability, making it one of the most efficient and long-lasting options...
                  £102.07
                  £110.00
                  £102.07
                  Save £7.93
                  • Blue
                  • Green
                  • Black
                  • Orange
                • Kmc X11 Dlc Pre-Waxed Chain 118L ChainKmc X11 Dlc Pre-Waxed Chain 118L Chain

                    KMC X11 DLC Pre-Waxed 11-Speed Bike Chain 118L for Shimano SRAM Campagnolo - Blue

                    The KMC X11 DLC Pre-Waxed Chain 118L is engineered for riders who demand the highest performance from their 11-speed drivetrain. Featuring KMC's innovative GO wax treatment combined with a diamond-like DLC coating, this chain minimizes friction while maximizing durability, ensuring smooth and reliable shifting...
                    £102.07
                    £110.00
                    £102.07
                    Save £7.93
                    • Blue
                    • Green
                    • Orange
                    • Pink
                  • Kmc X11Sl Pre-Waxed Chain 118L ChainKmc X11Sl Pre-Waxed Chain 118L Chain

                      KMC X11SL Pre-Waxed 11-Speed Bike Chain 118 Links with Titanium Nitride Coating - Black-Gold

                      The KMC X11Sl Pre-Waxed Chain 118L is an exceptional choice for cyclists seeking a high-performance, lightweight 11-speed chain. Crafted with precision, this chain features punched plates combined with a titanium nitride (TiN) gold coating, making it super light while maintaining remarkable durability. Its pre-waxed...
                      from £60.41
                      £75.00
                      from £60.41
                      Save £14.59
                      • Black-Gold
                    • KMC Snap-On 1X Wide EPT Links Silver for Z410 chain replacement, image shows two silver component links for bike chain repair.KMC Snap-On 1X Wide EPT Links Silver for Z410 chain replacement, showing two silver connector links in a 2-pack.

                        KMC Snap-On 1X Wide EPT Links Silver 2-Pack for Z410 Chain Replacement

                        Upgrade your bike's drivetrain with the Kmc Snap-On 1X Wide Ept Links. These silver links provide a secure and easy connection for your Z410 chain, ensuring smooth and reliable performance. Crafted with precision, they offer durability and quick installation, making maintenance hassle-free for both...
                        £2.96
                        £3.00
                        £2.96
                        Save £0.04
                      • Kmc S1 Wide Rust Buster 112L Chain

                          KMC S1 Wide Rust Buster 112L Chain for Single Speed & Internal Gear Bikes

                          The KMC S1 Wide Rust Buster 112L Chain is designed for durability and smooth performance in single speed and internal gear hub setups. Featuring a bushless construction and a rust-resistant Rust Buster coating, this chain ensures long-lasting reliability even in challenging conditions. Its matt...
                          £8.50
                          £10.00
                          £8.50
                          Save £1.50
                        • KMC Z1Ehx Narrow EPT 128L chain for mid-motor e-bikes and single speed systems, showing the metal links and branding.KMC Z1Ehx Narrow EPT 128L chain for mid-motor e-bikes and single-speed systems, showing links and branding details.

                            KMC Z1Ehx Narrow EPT 128L Chain for Mid-Motor E-Bikes & Single Speed Systems

                            The KMC Z1Ehx Narrow Ept 128L Chain is engineered for durability and performance. Featuring a heavy-duty design with EcoProTeQ coating, it resists rust and extends lifespan. Ideal for mid-motor e-bikes and single speed or internal gear systems, this chain ensures smooth transmission. What It’s...
                            £18.46
                            £23.00
                            £18.46
                            Save £4.54
                          • Kmc Z1Ehx Narrow Ept 112L ChainKmc Z1Ehx Narrow Ept 112L Chain

                              KMC Z1Ehx Narrow EPT 112L Chain for Mid-Motor eBikes & Single Speed Bikes

                              The Kmc Z1Ehx Narrow Ept 112L Chain is engineered for durability and smooth transmission performance. Designed with a heavy-duty and eco-friendly EcoProTeQ coating, it offers long life and superior rust resistance. Its dark silver finish complements your bike’s sleek look. With a 1/2" x...
                              £17.13
                              £20.00
                              £17.13
                              Save £2.87
                            • Kmc Z6 Grey 114L ChainKmc Z6 Grey 114L Chain

                                KMC Z6 Grey 114-Link Bike Chain for 5-6 Speed Derailleur Systems

                                The Kmc Z6 Grey 114L Chain offers reliable performance for 5-6 speed derailleur systems. Its 1/2" x 3/32" size and 7.3 mm pin length ensure smooth shifting and durability. Designed in a sleek grey finish, this non-directional chain is perfect for enhancing your bike's...
                                £6.32
                                £8.00
                                £6.32
                                Save £1.68
                              • Kmc Z1Ehx Wide Ept Silver 112L ChainKmc Z1Ehx Wide Ept Silver 112L Chain

                                  KMC Z1Ehx Wide EPT Silver 112L Chain for Mid-Motor E-Bikes & Single Speed

                                  Experience reliable performance with the KMC Z1Ehx Wide Ept Silver 112L Chain. Designed for durability, its EcoProTeQ coating ensures long life and anti-rust protection. Perfectly suited for mid-motor e-bikes and single speed or internal gear systems. Its heavy-duty design and precise 1/2" x 1/8"...
                                  £16.24
                                  £19.00
                                  £16.24
                                  Save £2.76
                                • Kmc K1Sl Wide Silver 100L ChainKmc K1Sl Wide Silver 100L Chain | Swinnerton Cycles

                                    KMC K1SL Wide Silver BMX Chain 100L Anti-Drop Durable Racing Chain

                                    The Kmc K1Sl Wide Silver 100L Chain is engineered for BMX athletes demanding peak performance. Combining strength and innovation, this chain is super light yet incredibly durable, allowing riders to push their limits without worrying about reliability. Its smooth exterior design prevents snagging, ensuring...
                                    £34.28
                                    £40.00
                                    £34.28
                                    Save £5.72
                                  • Kmc K1Sl Wide Ti-N Gold 100L ChainKmc K1Sl Wide Ti-N Gold 100L Chain | Swinnerton Cycles

                                      KMC K1Sl Wide Ti-N Gold 100L BMX Chain with Anti-Drop Design

                                      Discover the KMC K1Sl Wide Ti-N Gold 100L Chain, engineered for BMX athletes who demand top performance. This chain combines exceptional strength with a lightweight design, making it ideal for intense racing conditions. Its smooth exterior reduces snagging, ensuring seamless transmission and enhanced riding...
                                      £35.88
                                      £45.00
                                      £35.88
                                      Save £9.12
                                    • Kmc K1 Narrow Silver 100L ChainKmc K1 Narrow Silver 100L Chain

                                        KMC K1 Narrow Silver BMX Chain 100 Links Nickel-Plated Freestyle Bike Chain

                                        The Kmc K1 Narrow Silver 100L Chain is engineered specifically for BMX riders who demand reliability and performance. Its lightweight design ensures minimal drag while providing exceptional strength, making it ideal for intense freestyle sessions. Crafted with precision, this chain offers durability and smooth...
                                        £14.58
                                        £17.00
                                        £14.58
                                        Save £2.42
                                      • Kmc K1Sl Narrow Silver 100L ChainKmc K1Sl Narrow Silver 100L Chain

                                          KMC K1SL Narrow Silver BMX Chain 100 Links Anti-Drop Durable Performance

                                          The KMC K1SL Narrow Silver 100L Chain is engineered for BMX riders seeking unmatched performance. Crafted with precision, this chain combines exceptional strength with a lightweight design to enhance your ride. Its smooth outer surface prevents snagging during grinds, ensuring a seamless experience on...
                                          £34.28
                                          £40.00
                                          £34.28
                                          Save £5.72
                                        • Kmc K1Sl Narrow Ti-Ni Gold 100L ChainKmc K1Sl Narrow Ti-Ni Gold 100L Chain

                                            KMC K1SL Narrow BMX Chain Ti-Ni Gold Coated 100L Durable Racing Chain

                                            The KMC K1SL Narrow Ti-Ni Gold 100L Chain is designed to meet the demands of BMX athletes who require a combination of strength, durability, and lightweight performance. Crafted with precision, this chain features a Ti-Ni gold coating that not only looks sleek but also...
                                            £35.88
                                            £45.00
                                            £35.88
                                            Save £9.12
                                          • Kmc E1 Ept Chain 110L ChainKmc E1 Ept Chain 110L Chain

                                              KMC E1 EPT 110L E-Bike Chain with EcoProteQ Rust Resistance and Triple X-Durability

                                              The Kmc E1 Ept Chain 110L is engineered specifically for E-Bikes, delivering reliable performance under the increased stress of electric bike drivetrains. Featuring EcoProteQ treatment, this chain offers twice the rust resistance of standard RustBuster coatings, ensuring longevity and durability in all riding conditions....
                                              £25.80
                                              £30.00
                                              £25.80
                                              Save £4.20
                                            • KMC B1 wide black bike chain with 112 links, suitable for single speed, BMX, and fixed gear bikes, close-up viewKMC B1 wide black bike chain for single speed, BMX, and fixed gear bikes, 112 links, durable bike component.

                                                KMC B1 Wide Black Bike Chain 112L for Single Speed, BMX & Fixed Gear

                                                The KMC B1 Wide Black Chain 112L is designed for reliable performance across various bike types, including single speed, internal gear, BMX, track, and fixed gear. Crafted with a durable 1/2" x 1/8" bush construction and pin length of 9.2 mm, this chain ensures...
                                                £4.76
                                                £6.00
                                                £4.76
                                                Save £1.24
                                              • KMC S1 Wide 112L single speed bike chain in brown with rust-resistant coating, designed for durable bicycle component performance.KMC S1 Wide 112L single speed bike chain in brown rust-resistant coated metal, designed for durable cycling performance.

                                                  KMC S1 Wide 112L Single Speed Bike Chain Brown Rust-Resistant Coated

                                                  The KMC S1 Wide Brown 112L Chain combines durability with smooth performance, designed specifically for single speed and internal gear hub bicycles. Its 1/2" x 1/8" dimensions and 112 links ensure a perfect fit, while the 8.6mm pin length offers reliable strength. Featuring a...
                                                  £5.00
                                                  £6.00
                                                  £5.00
                                                  Save £1.00
                                                • KMC Z1 Wide Silver BMX and Internal Gear Hub Bike Chain with Snap-On Connector, durable bicycle component for BMX and internal gear systems.KMC Z1 Wide Silver 112L BMX and internal gear hub bike chain with snap-on connector, visible links and silver finish.

                                                    KMC Z1 Wide Silver 112L BMX & Internal Gear Hub Bike Chain with Snap-On Connector

                                                    The KMC Z1 Wide Silver 112L Chain offers reliable performance for BMX and internal gear hub bikes. Featuring a bushless design and strong tensile strength of 1200kgf, it ensures durability and smooth transmission. Its snap-on connector allows easy installation. What It’s Good For Durable...
                                                    £9.82
                                                    £12.00
                                                    £9.82
                                                    Save £2.18
                                                  • Kmc Z1 Wide Gold 112L ChainKmc Z1 Wide Gold 112L Chain | Swinnerton Cycles

                                                      KMC Z1 Wide Gold 112L BMX & Internal Gear Hub Chain with Snap-On Connector

                                                      The Kmc Z1 Wide Gold 112L Chain offers exceptional durability and performance for BMX and internal gear hub bikes. Featuring a bushless construction and a strong 1200kgf tensile strength, it ensures reliable transmission with every ride. The elegant gold Ti-Ni finish combined with nickel...
                                                      £9.82
                                                      £12.00
                                                      £9.82
                                                      Save £2.18
                                                    • Kmc Z1 Narrow Brown 112L ChainKmc Z1 Narrow Brown 112L Chain

                                                        KMC Z1 Narrow Brown 112L Chain for Single Speed, BMX & Fixed Gear Bikes

                                                        The Kmc Z1 Narrow Brown 112L Chain is expertly crafted for single-speed and internal hub geared bikes, delivering smooth and reliable performance. Its bushless construction enhances durability while ensuring a no-drop design, perfect for BMX, track, and fixed gear riders. With 112 links and...
                                                        £5.47
                                                        £7.00
                                                        £5.47
                                                        Save £1.53
                                                      • KMC Z1 Narrow EPT 112L bike chain for internal gear hubs and single speed bikes, durable bicycle componentKMC Z1 Narrow EPT 112L bike chain for internal gear hubs and single speed bikes, showing links and branding.

                                                          KMC Z1 Narrow EPT 112L Bike Chain for Internal Gear Hubs & Single Speed

                                                          The KMC Z1 Narrow EPT 112L Chain offers exceptional durability and performance for your bike's transmission system. Featuring the advanced EcoProTeQ (EPT) coating, this chain delivers twice the rust resistance of previous models, ensuring long-lasting reliability. Its smooth surface reduces noise and requires less...
                                                          £14.58
                                                          £17.00
                                                          £14.58
                                                          Save £2.42
                                                        • Kmc Z1 Wide Ept 128L ChainKmc Z1 Wide Ept 128L Chain | Swinnerton Cycles

                                                            KMC Z1 Wide EPT 128-Link Chain for E-Bikes Internal Gear Hubs Single Speed

                                                            The KMC Z1 Wide EPT 128L Chain offers exceptional durability and rust resistance thanks to its advanced EcoProteQ treatment, which doubles protection compared to previous coatings. Its smooth finish reduces noise and enhances overall performance, making it a reliable choice for internal gear hubs...
                                                            £17.13
                                                            £20.00
                                                            £17.13
                                                            Save £2.87
                                                          Recently Viewed Products

                                                          Keep your drivetrain running smoothly with our KMC collection at Swinnerton Cycles. KMC is one of the world's leading chain manufacturers, producing chains for road, MTB, gravel, e-bike, and track drivetrains across all major speed configurations. Trusted by professional teams and home mechanics alike for their quality and reliability. Browse the full KMC range and explore our wider Bike Chains and Drivetrain collections.

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