Bike seatpost quick releases can help you easily tighten your clamp, allows to adjust your bike seat height conveniently without any tools.

Specification:
Material: High-strength Aluminum Alloy
Axle diameter: M6, about 6 mm
Skewer Length: 55 mm
Color: Black
Package: 4PCS Bike seat post clamp quick release bolts
Bike Seat Post Clamp Quick Release Bolt allows you to adjust your bike seat height quickly and easily.
Made of High-strength Aluminum Alloy, Light weight, strong locking force and can effectively prevent the seatpost from slipping off.
Axle diameter: about 6 mm. Skewer Length: 55 mm.
Using CNC machinined alloy nut, smooth cam action lever, operate conveniently, and no other tools are needed.
The Seat Clamp Quick Release Lever is a ideal replacement for your seat binder bolt, Compatible to mountain bikes, strollers, folding bikes, road bikes etc.