Slim body line & smooth rotation. Optimum balance of light weight & stiffness. Front index is superior shifting performance. No BB unit Double chainring black & silver available  

• Shimano 105 SM-FC5700 Bottom Bracket
• Shimano CS-5700 105 10-Speed Cassette, 11-25T
• Shimano 105 CN-5700 Chain
• Shimano FD-5700 105 Front Derailleur 2x10
• Park Tool Bottom Bracket Tool - Hollowtech II - BBT-9