Superlight splined trials crankset including freewheel, bashring and crank bolts. - Splined 7075 bashring can be position for use as left or right foot forward. - Weight: From 644.5g (Complete Kit), 432g (170mm Crank Arms Only), 440g (175mm Crank Arms Only), 182.5g (Freewheel), 11g (Bashring), 5.8g (Lockring and Bolts).