Renthal 420R1 15/56 drive kit - 481344

• the proposed set has original gear ratios
• the boronless chain is made of durable steel
• shot-blasted and internally chamfered links ensure the highest possible matching with the sprocket
• construction of the chain makes it extremely resistant to stretching
• specially designed for supercross and motocross bikes up to 100cc
• the rear sprocket is made entirely from ultra-light aluminum alloy 7075 T6, which is 66% lighter than steel
• the sprocket has been CNC-machined to achieve the highest possible manufacturing precision
• teeth designed with special technology that allows them to clean themselves
• anodized surface finish provides an integral coating to prevent corrosion
• front sprocket made of specially developed steel
• extremely light, hardened and tempered to provide the highest combination of strength and hardness
• the sprocket has been CNC-machined to achieve the highest possible manufacturing precision

• MX chain + clasp Renthal 420 R1 128 links / gold-black
• Renthal Standard steel front sprocket 461-420-15P 15 teeth
• Renthal Ultralight aluminum rear sprocket 189U-420-56GRSI 56 teeth

Note: Some kits come with a slightly longer chain than recommended by the manufacturer to allow the user to use a different gear ratio. In this case, the chain simply needs to be shortened accordingly.