The narrow/wide chainring is designed to retain the chain without the need of a chain device. Hard anodised finish makes them ultra durable and increases longevity. Weights: 38T 62g, 40T 77g, 42T 90g, 44T 105g.
Hope R22 E-Bike Spiderless Retainer Chainring - Shimano
DECKAS Chainring 110BCD Chainring Narrow Wide Round 42 44 46 48 50 52 54 56 58T
Chainring 110BCD Road Bike 4/5 Claws Double Speed Chainring 50-34T 52-36T 53-39T
BUCKLOS 34/36/39/50/52/53T Road Bike Chainring 110BCD Round ChainRing for 10/11S
Hope Retainer Ring - 110 BCD - 5 Bolt
Road Bike Chainring 110BCD 50-34T 52-36T 53-39T Chainwheel for R7000 R8000 R9000