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Renthal Back Sprocket - 150U-520-51GBSI (51 Teeth, Chain Size 520)
- Brands: Renthal
- Product Code: Renthal Sprocket YZ125-450 51T
- Availability: 3-10 Days
Commonly used on: YZ125-450
Renthal Ultralight™ rear chainwheels are manufactured to extremely tight tolerences from a special material developed to withstand the rigours of supercross, motocross and enduro racing.
The 7075 T6 aluminium alloy rear chainwheels are 66% lighter than steel, yet incredibly durable. Their advanced tooth profile, concentricity and accuracy of fit provide maximum power transfer and long-life.
Renthal's combination of a very high strength base material and an exceptionally hardwearing surface result in significantly increased chainwheel life over other brands.
A long lasting durable off-road sprocket developed over 5 years.
The unique flat face design keeps weight to a minimum and means the Twinring rear chainwheel is as narrow as a standard chainwheel.
Outer is expanded at 200°C and then fitted to inner, creating a permanent bond for the life of the sprocket.