(Side view of Seat Collar)
31.8 is for use with the
27.2 posts, and
35mm is for use with 30.9 or 31.6 posts.
This 2-stage quick release seat collar features a split
design which improves clamping force, while making it easier to use.
Also included is a mud flap that can be positioned
at either the front or rear to accommodate your particular bike frame slot.
Includes installation instructions.
Note: This Crank
Brothers Split QR Seat Collar is not compatible with bicycle frames that utilize
a braze-on seat clamp or tabs.