Group includes:-Crankset: XTR M970 175mm 22/32/44T-Bottom Bracket Cups: English-Shift levers: XTR M970 STI RAPIDFIRE Plus Shift Levers + Cables: SIS-SP41 cable casing system & coated stainless steel cable-Brakes: XTR M975 Front and Rear hydraulic disc calipers and centre lock rotors + Brake Levers: BL-M975-Front Derailleur: XTR M971 Conventional Front Derailleur (32mm & 35mm) dual-pull type-Rear Derailleur: XTR M972 SGS Carbon Rear Rerailleur-Cassette: XTR M970 cassette 9spd: 11x32 (Sprocket Sizes 11-12-14-16-18-21-24-28-32 Titanium Sprockets 21-24-28-32)-Chain: Shimano 7701 XTR/Dura Ace chain 9spd