Renthal 154W52040GRHA Ultralight Grooved 40T Rear Sprocket (520 Pitch) • Gas slots eject hot

• Gas slots eject hot gasses improving pad performance

• Anatomical and removable insole enhances breathability

From the unpredictable to the extreme

• Replaces OEM # 44277-74

• Mesh panels

Renthal 154W52040GRHA Ultralight Grooved 40T Rear Sprocket (520 Pitch) • Gas slots eject hotRenthal Ultralight Hard Anodised Rear Chainwheels are specifically designed for Street and road racing applications. CNC machined from the same 7075 T6 material as our offroad chainwheels, with increased longevity from the hard anodising finish. Hard anodising is an integral surface coating which significantly increases the surface hardness and wear resistance of the rear sprocket. Typically available in Ultralight or Race Conversion pitches and a