Yamaha YZ250X 2021 - 2022 Renthal Silver Ultralight 51t Rear Sprocket Aluminium

Renthal Ultralight Rear Sprockets

Renthal UltraLight Rear Sprockets are CNC machined in Manchester, UK from 7075 T6 aluminum to extremely tight tolerances, 66% lighter than steel. Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.
With Renthal's combination of high strength base material, cutting edge manufacturing methods and exceptional hardwearing surface treatments its clear to see why Renthal’s light weight all aluminum rear sprockets can be found on the rear wheels of more factory race team machines than all other competing brands combined.

• Designed to keep revolving un-sprung mass to an absolute minimum and power transfer at a maximum, Renthal Ultralight rear Sprockets are 66% lighter than steel.
• Each Ultralight Rear Sprocket that leaves Renthal's engineering facilities in the UK is individually CNC machined to the tightest possible tolerances, ensuring an accurate and reliable fit.
• High strength specially enhanced 7075 T6 aluminium alloy is used to create the perfect rear Sprocket, that is both lightweight, durable and strong.
• Ultralight Rear Sprockets feature Renthal's self cleaning mud groove technology between each tooth. This prevents mud build up that traditionally leads to quicker wearing components.
• Renthal Ultralight Sprockets are used by more factory motocross and supercross teams than any other Sprocket in the world.

The above product photos are used for illustration purposes only and may vary slightly.

Fitment Details

• Yamaha YZ250X 2021
• Yamaha YZ250X 2022