Chain 428

D.I.D. 428 Standard Roller Chain

D.I.D. 428NZ Super Roller Chain

D.I.D. 428V Professional Series O-Ring Chain

RK racing chains have been the overwhelming choice of World Championship Teams for the past two decades! They have benefited from their long-term OEM relationships with the major Japanese motorcycle manufacturers; RK has supplied original chains and chains for racing All high-quality RK chains... are made in Japan except the standard RKM series, which are from Malaysia All RK chains feature quad-staked pin riveting, solid rollers and solid bushings, except the RKM and standard series, which have two-point riveting and curled bushings Theyre all pre-stressed and pre-stretched for better performance

KMC offers a full range of selection for regular motorcycle chains that feature the properties of high performance, durability and accuracy. Under strictly controlled manufacturing process, component is well incorporated into chain to meet or exceed the rigid quality requirement and allows... this series of products to contribute best value in its class due to consistent stability in cycling. KMC Chain Specs KMC MOTORCYCLE CHAIN SPECIFICATION CHART Model Pitch Roller linkWidth(Min) RollerDia(Max) Pin LinkPlate Thickness Roller LinkPlate Thickness Roller LinkPlate Height(Max) Pin Dia.(Max) Over... .0 12 3.97 16.9 18.55 1800 428 12.7 7.85 8.5 1.5 1.5 12.35 4.47 16.50 17.85 1800 428H 12.7 7.85 8.5 1.8 1.8 12.2 4.47 17.60 19.05 2000 428HG 12.7 7.85 8.5 2.0 2.0 12.1 4.51 18.90 20.25 2300 520 15.875 6.4 10.16 2.0 2.0 15 5.09 17.20 18.80 2800 530 15.875 9.5 10.16 2.0 2.0 15 5.09 20.30 21.90 2800

Features upgraded steel alloy for all parts, subject to going through exclusive heat-treating process as well, to remarkably reinforce its toughness against rugged terrain riding. KMC employs chromized pin and solid bushing into this chain to boost up its wear endurance and shock absorption to a... great extent. Its outstanding performance does help inviting enjoyment and excitement to cyclist while going extreme. KMC Chain Specs KMC MOTORCYCLE CHAIN SPECIFICATION CHART Model Pitch Roller linkWidth(Min) RollerDia(Max) Pin LinkPlate Thickness Roller LinkPlate Thickness Roller LinkPlate Height... 420H 12.7 6.25 7.77 2.0 2.0 12 3.97 16.9 18.55 1800 428 12.7 7.85 8.5 1.5 1.5 12.35 4.47 16.50 17.85 1800 428H 12.7 7.85 8.5 1.8 1.8 12.2 4.47 17.60 19.05 2000 428HG 12.7 7.85 8.5 2.0 2.0 12.1 4.51 18.90 20.25 2300 520 15.875 6.4 10.16 2.0 2.0 15 5.09 17.20 18.80 2800 530 15.875 9.5 10.16 2.0 2.0 15 5

Pro Taper Sprocket and MX Chain Combo Chains • Premium gold series MX chains available in 420MX, 428MX, 520MX and 520XRC sizes • The PT520 XRC uses proprietary X-ring technology that was tested exclusively to handle the extreme temperatures and conditions of Off-Road riding and Racing • All

Specific design of sealed-in lubrication maintenance for bearing system in each link makes the complete chain work to its optimum wear life. For KMC o-ring chain, superior alloy steel is adopted and heat-treated to provide best performance in strength. In addition, special formulated grease... contained by o-ring in the interface between solid bushing and hardened pin keeps giving constant interior lubrication, and extremely enhances the efficiency and effects on friction elimination during operation. Least wear results in least stretch in chain, and let prolong its service life 5~10 times than... standard chain. KMC Chain Specs KMC MOTORCYCLE CHAIN SPECIFICATION CHART Model Pitch Roller linkWidth(Min) RollerDia(Max) Pin LinkPlate Thickness Roller LinkPlate Thickness Roller LinkPlate Height(Max) Pin Dia.(Max) Over~AllWidth Riv.(Max) Over ~AllWidth Con(Max) Tensile StrengthMin symbol P W D T1 T2 H... d F G unit mm mm mm mm mm mm mm mm mm kgf 415H 12.7 4.7 7.77 1.5 1.5 12 3.97 13.10 14.75 1650 420 12.7 6.25 7.77 1.5 1.5 12 3.97 14.80 16.35 1650 420DX 12.7 6.25 7.77 1.5 1.5 12 3.97 15.0 16.75 1800 420H 12.7 6.25 7.77 2.0 2.0 12 3.97 16.9 18.55 1800 428 12.7 7.85 8.5 1.5 1.5 12.35 4.47 16.50 17

The black sprockets are only available for the 125cc, 250cc, 250F, 426F, 450F, KTM. Black sprockets are not available for the smaller bikes. Renthal sprockets and chain. Upgrade to an xring or racing chain. Available in 520, 428, and 420 chains.