These seatpost clamps are designed to work with Pinhead's uniquely keyed locking bolt
- Locks your seatpost to your frame
- Prevents removal of your seatpost for a fraction of replacement cost
- Fits all frame and seatpost sizes (collar includes 2 shims)
- Includes locking bolt and key
- Uniquely keyed pattern
- Weight: 41g.
- Color: Black