Description:
Please check your bike frame seat tube outside diameter. Measure the inside diameter of your old clamp. Or measure the outside diameter of your seat tube (on your bike frame). Then make a right choice.
Bicycle Seatpost reducer matches well with most bicycles, such as MTB ,BMX ,mountain bike, road bike,and more, you can easily adjust the diameter of the bicycle seat post, eliminating the trouble of repurchasing the bike seatpost.
1-Open the clamp. 2-Put the seat post and shim adapter in. 3-Adjust the post height. 4-Lock the clamp
Just purchase this product, you can easily adjust the diameter of the bicycle seat rod, eliminating the trouble of repurchasing the seat rod.
Material: aluminum alloy
Size: 27.2 to 28.6 30 30.4 30.8 30.9 31.6 33.9
Total length: Approx. 100mm/3.9inch
Package includes:
1x Bike Seat Post Shim