Renthal 161U52050G Ultralight Grooved 50T Rear Sprocket Silver (520 Pitch) Overall Length: 45 1/4 in

Overall Length: 45 1/4 in

forward and back

• Outer Shell: 600D Polyester

Hooked Chubbys 1 1/4 in

Renthal 161U52050G Ultralight Grooved 50T Rear Sprocket Silver (520 Pitch) Overall Length: 45 1/4 inRenthal UltraLight Rear Chainwheels 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