SRAM RED 172.5L 50/34T GXP 2 x 10 SPEED DOUBLE CARBON GROUP BUILD KIT GRUPPO
SRAM RED GXP English threaded bottom bracket. SRAM RED 172.5L 50/34T 110 BCD carbon crank set. SRAM RED shifter / brake lever set. SRAM RED braze-on front derailleur. SRAM RED short cage rear derailleur.