40" tyres & 25/9t gearing with sealed cassette hub

CNC'd out of high quality alloy for a clean and light weight product

Box One M35 Cranks have proven themselves as the go-to choice for elite BMX racers

Helping to keep the weight of your bike down to a minimum the Source BMX Titanium 19mm Crank Spindle is made from high-quality grade 5 titanium with anverage 40% weight saving when compared to the steel alternative

It's built from 100% polyester for the shell with a 100% polyester lining making it more than durable enough for everyday carry

Box Three Prime 9 Race Chain Size:126 Link 40" tyres & 25/9t gearingThe Box Three chain is polished and then chemically treated to achieve a basic level of corrosion resistance. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. The unique inner link spacing is engineered to grab those modern wide narrow chainrings.