Cervelo R-Series Seatpost Clamp Pre 2011
OEM seat collar for a Cervelo R series bikes that take a 27.2 seat post. Includes 4mm hex bolt. This is the 4.5 Nm clamp with the bolt in the rear position and works for Cervelo R series bikes that take a 27.2 diameter seat post built prior to 2011.
- 13 grams
- Maximum torque 4.5 Nm
- ID measures 30mm
- Fits R-Series Cervelos from 2008 to 2010
Does not work on 2011 and newer R-series frame. Those require the 6 Nm clamp with the bolt in the front position and a small flat spot on the back