MCS Bicycles BMX Quick-Release Seat Post Clamp - 31.8mm - 1-1/4" - Black 5" Posted Weight: 300g pair

Posted Weight: 300g pair

and 100mm hubs

This bottom bracket is designed to be used with old school 1 piece cranks that are 24 tpi and frames that have a classic American bottom bracket shell

This rim has a machined sidewall which makes it perfect for use with rim brakes

Axle: 3/8"

MCS Bicycles BMX Quick-Release Seat Post Clamp - 31.8mm - 1-1/4" - Black 5" Posted Weight: 300g pairThe newest MCS Bicycles Quick Release Seatpost Clamp allows you to lower your seat on race days and lift it up for those long rides during the week without having to bust out an Allen wrench! It is constructed of aluminum, with a posted weight of 42. 0 grams 1. 48 ounces. Size: 1 1 4 (31. 8mm) Color: Black