Extralite E BONE QRC & UltraFront SX [en]
Extralite updated his range with a new crankset, the E BONE QRC. Entirely made out of aluminium, it features very large bearings (5mm larger than Campagnolo or Shimano bearings) for maximal stiffness. Size: 172,5mm Weight: 485g l'ensemble (BSA68) Diameter:...