The Caswynlife Rear Derailleur Idler Wheel Pulley 11T/13T set is designed for those who need to replace or upgrade their bike parts with precision and quality. Constructed from sealed steel with hardened steel bearings, this set ensures durability and low maintenance. The bronze guide roller and hardened steel teeth give it a smooth and reliable operation. Compatible with 9-11 speed bikes, it's perfect for those looking to enhance their riding experience without the fuss. Experience the difference that comes from using high-end, yet affordable, products that perform exceptionally well.
This product would be ideal for cyclists upgrading their rear derailleurs from a 13-tooth cassette to a 11-tooth cassette on bikes with 9, 10, or 11 speed groupsets.
