Shimano GRX RD-RX817 Di2 Rear Derailleur giro and fewer punctures

and fewer punctures

Küat overhauled every feature and streamlined the look while maintaining the spirit of its predecessor

and ensures precise gear changes under load

- Pack of 5 replacement plugs with pointed tip- Only compatible with Dynaplug® repair tools: Micro Pro and Carbon Ultralite (Bike Edition)- Made in USA

With seams and edges placed and folded away from sensitive areas

Shimano GRX RD-RX817 Di2 Rear Derailleur giro and fewer puncturesWith an integrated chain stabilizer mechanism, the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain. For rides on smooth surfaces, the derailleur features an ON OFF switch for the chain tensioner. The RD RX817 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. It is compatible with mtb cassettes with a 42T low sprocket max. Specifications Average