Product code: IRDRX812 | ID: 391641
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. The RD-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max.
Parameters and specifications
Special Features
Weight (g)
267
Made in
Japan
Recommended accessories
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