Material crank: aluminium 7000

including 27

Designed and tested by multiple time world cup DH Champion Aaron Gwin to meet the rigorous demands of world class downhill racing while also improving aero performance and the overall appearance of the bike

it's more just colourways and when they were released that dictate the different year models

Enduro CXD MR 18307 18mm x 30mm x 7mm Hub Bearing - 18mm - 30mm - 7mm - ABEC-5 Ceramic Radial Bearing algolia-ignore Material crank: aluminium 7000CXD MR 18307 LLB XD 15 Ceramic Hybrid, ABEC 5, radial bearing (CN clearance) 18 x 30 x 7mm The ultimate upgrade An Enduro Bearings exclusive, our XD 15 Ceramic Hybrid bearings combine corrosion proof, cryogenically treated nitrogen steel races with Silicon Nitride Grade 3 ceramic balls in a proprietary process that results in the ultimate high performance bearing setup. The deep groove design raceways allow for maximum sized Grade 3 Silicon Nitride