wilethree MTB Road bicycle Seat Post Clamp Aluminium Alloy 31.8mm 34.9mm Red/Black/Blue

• 6061Aluminum Alloy lightly and solidly made
• Strong retaining bolts ensure it to be sturdy and firm
• 31.8mm Bike Seat post clamp apply for out diameter 30.2mm to 32.1mm bicycle frame tube seat post.
• 34.9mm Bicycle Seat post clamp suit for out diameter 33.5mm to 35.2mm bike frame tube seat tube .
• Suit for:Road bike,MTB,folding bike,track bike,fixedgear,and so on

Please notice: Please check the seat post clamp size ,makesure the seat post clamp size fit your bike seat tube . We would recommend that you remove your old seat post clamp and measure the frames external seat tube diameter to give the size required. It should match up to the sizes listed in the options.