LOLA 107 Bcd single chainring compatible with SRAM Red/Force AXS cranks.Compatible with all 9,10,11 speed chains, SRAM MTB 12 speed (Eagle&T; type), KMC, Shimano HG+, SRAM AXS Flattop chains.FeaturesType:OvalUse:GRAVEL / CX / ROADMounting:Bcd 107mm, asymmetric.Material:Aluminium alloy 7075-T651Colour:BlackWeight according to teeth:38t - 82g 40t - 90g 42t - 102g 42t - 102gThe special tooth shape ensures closer contact with the chain and smoother pedalling (compared to normal chainrings).Bevelled edges and wide mud space prevent the chainring from getting dirtyVariable tooth thickness prevents the chain from falling off the chainCompatibilityCompatible with:SRAM Red/Force AXS cranksets107 BCD chainrings are designed for use with power meters.36t chainring will not work with 107 BCD power meterCompatible with chains:10/11/12 speed:including Shimano HG+ and SRAM AXS flattop chains (incl.T-type)DetailsLOLA chainrings have 30% longer teeth than most other brands on the market, this feature improves chain retention, dirt ejection and traction during pedalling.It has a 12° ovality and an offset of 108°.Made of anodised 7075-T651 aluminium, a high-strength aluminium alloy due to its zinc content, especially designed for parts that will be subjected to high stresses.Unbeatable relation quality, price, performance and wear, try it!!!!.