Ultegra RX, GS 11 Spd. Di2 GRX the ISOMETRICTM design increases the

the ISOMETRICTM design increases the sweet spot by 7%*

V-Matrix Technology creates larger sweet spot for increased power

Power Glide technologyHeat treated steelWeight: 229g for 11-26TCompatibility: PC-1170

Power accuracy: +/- 2%

This minimalist rack-top bag is optimized for day trips

Ultegra RX, GS 11 Spd. Di2 GRX the ISOMETRICTM design increases theWith an integrated chain stabilizer mechanism, the ULTEGRA RX 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 RX805 DI2 version offers the digital precision of SHIMANO electronic shifting and synchronized shifting. CAGE LENGTH: GS Medium TOTAL CAPACITY: 39T MAX FRONT DIFFERENCE: 16 AVERAGE WEIGHT: 280g