The Tacx T4035 ceramic and teflon jockey wheels are a relatively low-cost entry to the world of ceramic bearings. It is also Easy to fit
The Tacx Jockey Wheels - Ceramic Bearings, are a must-have for riders who want to push to the limit. Jockey wheels are one of the fastest-spinning things on your bike.The very smooth running jockey wheels by Tacx are manufactured from a resin composite that is very resistant to wear and equipped with quality precision bearings.
Compertable with all Shimano /Sram Group set.
Please note it comes along with different adapter in the box, so can it fit from 8 to 11 speed group set.