FBM Cross Sprockets are available now, A modern update of a FBM classic!
Here is the official spec-
FBM cross sprocket
25t Black only
7075 T6 Aluminum
19mm & 22mm zinc plated steel spacers
Made in USA
New Fbm Bottleneck should be out shortly as well as a restock of FBM frames! Git Suhm!
Originally Posted by steve crandall