RK Transmission Kit open chain MXZ 126-420 sprocket 50z racing pinion 15z for Honda CRF R

Enhance your motorcycle's performance with our transmission kit, a perfect set of components designed to provide a smooth and responsive ride. This kit includes an RK chain, a JT sprocket, and a JT rear sprocket, all made to ensure excellent synergy and durability.

The RK chain, with a pitch of 420 and a length of 126 links, is designed to withstand a tensile strength of up to 2250 kg. Its open structure and MXZ design make it ideal for those seeking high performance. With a gray exterior and interior color, it perfectly integrates with the aesthetics of your motorcycle. The clip closure ensures easy and quick installation.

• RK Chain
• Pitch: 420
• Number of links: 126
• Tensile strength: up to 2250 kg
• Structure: open
• Design: MXZ
• Color: gray (exterior and interior)
• Closure: clip

The JT rear sprocket, with an inner diameter of 110 mm and a PCD of 130 mm, is made of steel to ensure strength and durability. With 50 teeth and a countersunk bolt type, it offers a secure fastening and optimal power transmission.

• JT Rear Sprocket
• Inner diameter: 110 mm
• PCD: 130 mm
• Material: steel
• Number of teeth: 50
• Bolt type: countersunk

The JT sprocket, designed for a small engagement fitting, has an inner diameter ranging from 18 mm to 20 mm and a number of teeth equal to 19. The distance between the mounting holes of 34 mm ensures perfect compatibility with the rest of the kit, while the racing design promises immediate response and increased acceleration.

• JT Sprocket
• Fitting: small engagement
• Inner diameter: 18 mm - 20 mm
• Number of teeth: 19
• Mounting hole distance: 34 mm
• Design: racing