Product code: IRDRX400 | ID: 391639
With 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 and ON/OFF switch for the chain tensioner.
Parameters and specifications
Special Features
Chain Gearing
Weight (g)
303
Made in
Japan
Recommended accessories
Overall score based on 6 user reviews: