Fits Profile and other 19mm style cranks

With their Sierra frame taking on a more trials influenced geometry

STANDOVER HEIGHT: 7

CNC Machined heat treated 4140 Cro-mo

the Utopia frame is the most advanced flatland specific frame Wethepeople have ever made

Fly Tractor TT Sprocket Cult Fits Profile and other 19mmThe Fly Tractor TT Sprocket is a refined version of the original Tractor Sprocket, that's been refined with the help of Ruben, Sergio and Larry's input. Fully CNC machined from 6061 T 6 aluminium with a 6mm thickness gives the Tractor TT Sprocket all the strength, rigidity and durability it needs. Adapters for 19mm, 22mm and 24mm spindles are included so you can run the Tractor TT on all cranks. ###section### Product Specs TYPE: MATERIAL: WEIGHT: 108g