Hunter Kemper’s Orbea Orca
- By Aaron Hersh and Geoff Nenninger
- Published Jul 24, 2012
Use of a Dura Ace 7900 crank on the BB30 Orbea Orca requires use of an adapter to reduce the effective diameter of the bottom bracket opening.
Use of a Dura Ace 7900 crank on the BB30 Orbea Orca requires use of an adapter to reduce the effective diameter of the bottom bracket opening.