Page 6 of EK Motorcycle Chain Catalog by EK Chain

www.ekchain.com 6 Chain Pitch Width Pin Roller Plate Thickness Tensile Wear Life Weight Displacement HP Connecting Link 2 Dia. Length Dia. Inner Outer Strength Index 100 Links Max. cc Max Std. Option in. mm in. mm mm mm mm mm mm lbs. kN Basis=100 lbs. kg Street Dirt St./Dirt 530DR 5/8 15.875 3/8 9.53 5.38 23.00 10.16 2.40 2.40 10,500 46.7 200 4.75 2.16 250 SKJ MLJ 530DRZ 5/8 15.875 3/8 9.53 5.64 24.80 10.20 3.20 2.60 11,500 51.1 200 5.35 2.43 300 SKJ MLJ 630MS 3/4 19.050 3/8 9.53 5.95 25.15 11.91 3.20 3.20 11,880 52.8 130 6.78 3.08 500 SPJ PL 630SHB 3/4 19.050 3/8 9.53 7.50 27.70 11.91 4.00 3.20 15,800 70.2 200 9.52 4.33 500 SPJ PL 630SHB-Z 3/4 19.050 3/8 9.53 7.50 41.60 11.91 4.00 3.20 30,000 133.0 200 19.54 8.88 500 SPJ PL Chain Pitch Width Pin Roller Plate Thickness Tensile Wear Life Weight Displacement HP Connecting Link 2 Dia. Length Dia. Inner Outer Strength Index 100 Links Max. cc Max Std. Option in. mm in. mm mm mm mm mm mm lbs. kN Basis=100 lbs. kg Street Dirt St./Dirt 520SRO5 1 5/8 15.875 1/4 6.35 5.24 20.50 10.16 2.00 2.00 8,000 35.5 800 3.50 1.59 400 50 SKJ MLJ 520SRX 1 5/8 15.875 1/4 6.35 5.38 21.50 10.16 2.20 2.20 8,500 37.8 1200 3.70 1.68 750 90 SKJ MLJ Chain Pitch Width Pin Roller Plate Thickness Tensile Wear Life Weight Displacement HP Connecting Link 2 Dia. Length Dia. Inner Outer Strength Index 100 Links Max. cc Max Std. Option in. mm in. mm mm mm mm mm mm lbs. kN Basis=100 lbs. kg Street Dirt St./Dirt Non-Sealed Chains 415SHDR 1/2 12.700 3/16 4.76 3.96 13.20 7.77 1.50 1.50 4,600 20.4 200 1.51 0.68 125 n/a 45 SPJ PL 520RX 5/8 15.875 1/4 6.35 5.38 17.20 10.20 1.80 1.80 8,400 37.3 400 3.11 1.41 600 n/a 120 MLJ SKJ 530RX 5/8 15.875 3/8 9.53 5.38 22.00 10.20 2.20 2.20 9,400 41.8 200 4.12 1.87 750 n/a 150 MLJ SKJ Quadra-X Ring Sealed Chains 520RXO 5/8 15.875 1/4 6.35 5.38 20.50 10.20 2.00 2.00 8,500 37.8 1,000 3.56 1.62 1000 *250 120 MLJ SKJ 525RXO 5/8 15.875 5/16 7.94 5.38 23.00 10.30 2.20 2.20 9,300 41.3 1,000 4.21 1.91 1000 n/a 150 MLJ 530RXO 5/8 15.875 3/8 9.53 5.38 24.60 10.20 2.20 2.20 9,400 41.8 1,000 4.12 1.87 1100 n/a 150 MLJ SKJ *enduro 530DRZ, 630SHB and 630SHB-Z are exclusively for track use and cannot be used on street motorcycles. EK drag racing chains can rightfully be called the fastest chains in the world. Top Fuel champion Larry Spiderman McBride set a world record E.T. of 5.86 seconds using the EK 630SHB chain. The EK 530DRZ has achieved a terminal velocity of 344.048 mph on Sam Wheelers E-Z-Hook Streamliner at the Bonneville Salt Flats. The EK 530DRZ is also the choice of more top NHRA Pro Stock motorcycle racers than any other chain. EK racing chains are the choice for ultra high-performance and critical racing applications. Every aspect of these chains has been designed to minimize friction, reduce weight and maximize strength. Our Race series features lightening holes and EKs exclusive Quadra-X Rings in sealed chains, and advanced metallurgical science makes EK racing chains stronger, lighter and smoother-running than any chain we make. Zero Stretch Technology is available as an option with the 520RXO chain.

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