Some people further to their limits than others. Exactly this type of biker allows the GX Eagle DUB crank to give everything. On every ride. Uncompromising reliable performance on every ride! With the X-SYNC 2 tooth profile, the chainring ensures perfect chain guidance. The material thickness of each tooth is precisely matched to mesh smoothly with the chain links. The DUB technology allows a better dimensioned bottom bracket and a new shaft design. All this together allows a coordinated approach to the issues of bottom bracket fit, dirt seal, backward compatibility and future proofing. Simply put, the forged GX-Eagle DUB crank is the carefree package for riders who give everything.