Box Two™ Brake Post Extenders easily mount to any frame’s existing cantilever brake bosses and provide an additional 16 mm of brake arm positioning

Sunday's Blueprint BMX is built around a pro-level geometry that helps new riders progress faster

Made of 6AL4V titanium

Weight(per set of two): -GDH M12 x 1

Source Titanium 19mm Crank Spindle Best Deals Box Two™ Brake Post ExtendersOur very own range of Titanium products now available at Source BMX. 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. This 19mm 48 spline Titanium crank spindle really saves some weight over your existing chromoly spindle, 140mm in length with M10 threads and of course pairs perfectly