Hunter Kemper’s Orbea Orca
- By Aaron Hersh and Geoff Nenninger
- Published Jul 24, 2012
Standard 53-39 tooth gearing on a Dura Ace 7900 crank-set is the order of the day for fast-paced ITU racing.
Standard 53-39 tooth gearing on a Dura Ace 7900 crank-set is the order of the day for fast-paced ITU racing.