104 & 64bcd Chainrings
Premium 1X, 104 & 64bcd Oval traction chainrings designed for any cranks with a 104bcd interface. This is the most common MTB crank mounting interface. 32T chainring has build-in 2mm offset/threaded holes (M8x0.75) to accommodate this size on a 104bcd spider. Other sizes have regular 10mm holes that use your stock bolts/nuts. Size (Mass +/-1g): 64BCD: 26T (35g), 28T (42g) 104BCD: 30T (39g), 32T (41g), 34T (44g), 36T (53g) Color Black, Racing Red , Cannondale Green Compatibility All cranks with 4x 104BCD interface, such as Shimano XT / Zee / Deore / SLX / XTR, Race Face, FSA, E13 etc Material CNC machined 7075 Txxx Aluminum Finish type II anodizing Mounting holes 4 x 104mm BCD (for 32T ring, bolts should be a minimum of 6mm long) Ovality Optimized per individual chainring size. Range: 10.2-14.4% and Timing of 110.5-116.3å¡ after TDC (top dead center) Patent Pending IMPORTANT: 32T chainring has build-in 2mm spacers and threaded holes (