110/130 ST PRO CXR1 42T Narrow/Wide Chainring

110/130 BCD - 5 Bolt 42 tooth x 3/32" (Great for 1x Drivetrains) Alternating "Thick-Thin" tooth profile for chain retention- the latest technology Sharktooth - No Chain Drop tooth profile for all conditions chain retention Lightweight Aircraft Aluminum Alloy Lightweight Aircraft Aluminum Alloy Full CNC machined construction Teflon coated surface treatment provides quiet and friction free service Black anodized finish Proudly Made In-The-USA! Weight: 107g