CeramicSpeed Coated Pulley Wheels for Shimano XT/XTR 12 Speed Black year-1999 1 Triathlon Bike - 2016

1 Triathlon Bike - 2016

Orbea Avant M40 51cm Bike - 2017

you will find that the CeramicSpeed Balls are 15% harder

Catlike Mixino Road Bike Helmet Small 52-54cm Black/Fluor Yellow

CeramicSpeed Coated Pulley Wheels for Shimano XT/XTR 12 Speed Black year-1999 1 Triathlon Bike - 2016The CeramicSpeed Pulley Wheels for Shimano XT XTR offers a unique symmetrical 14 tooth narrow wide design that provides exceptional shift performance. The narrow wide design delivers precise engagement of the chain, both on and off the pulley wheels. The increased pulley size, compared to stock, reduces chain friction. The pulleys have a lightweight machined alloy body for durability and long life, and are developed, designed and handbuilt in Denmark.