Shimano ULTEGRA 6700 39/53 170MM Crankset
- HOLLOWTECH II design : Optimum balance of lightweight and stiffness
- New "HOLLOWGLIDE" outer ring : Hollow chain-ring construction
- New gear dimension for great improvements
- Improved gear for less chain touch in small/ small combination
- HOLLOWGLIDE outer gear : Hollow construction enjoys great rigidity and stability
- 790 grams (w/bb)
- Bottom bracket not included