20T or 21T 64 BCD Chainring. Works with all cranks with 64 BCD bolt spacing. Hardened Stainless Steel for long lasting performance. 21 tooth, 21 teeth.
Autilyshop 10-Speed Mountain Bike Groupset with Hollow Crankset 32T 34T or 36T Chainring 46T Cassette Aluminum Drivetrain for Off-Road Cycling(36T chainring)
Shimano Dura-Ace FC-R9100 34t And/Or 50t Chainring
Sram Unisex X-sync 42t 11 Speed Apex1 Asymmetric 110bcd Alumbb30 Or Gxp Chainring, Multi-coloured, 11spd UK
Shimano Dura-Ace FC-R9100 36t And/Or 52t Chainring
Shimano Sora FC-R3000 34t And/Or 50t Chainring
KMC Chainring for Bosch E-Bike 1/2 x 11/128 Super Narrow 15t, 18t, 19t, 20t, 21t
