KOLOSSOS OVERSIZED DERAILLEUR PULLEYSDesigned exclusively for the Kolossos Oversized Derailleur Cage, these pulleys give you even more options to customize your ride and maximize everyday or race day performance. Kolossos oversized pulley wheels are built to last: aluminum cogs, serviceable bearings to resist the most challenging cycling conditions. **Please Note compatible ONLY with Kolossos Oversized Derailleur Cages and available with road seals.

combines the best attributes of low rolling resistance

Axle Sets and cones for AB-1000 series Wheel Master hubs

Kolossos oversized pulley wheels are built to last: aluminum cogs

riding the open roads

for those seeking greater comfort

fender mount

Accepts standard 1/2" x 1/8" chains

According to independent testing in 2013 by Friction-Facts

Product Details Leisure/recreational use All weather breaking Durable Product Info Avid Elixir CR

Economical replacement tire for kids bikes and general use

Front Der/Shifter Compatibility: Shimano Road Di2

Built-in UPF/SPF 50 protection