29 inch (nominal) 28 inch (nominal) 27 inch (nominal) 27.5 inch (nominal) 650B MTB(nominal) 26 inch (nominal) 700 X 56 / 56-622 / 29 inch 700 X 50 / 50-622 / 29 inch 700 X 44 / 44-622 / 29 inch 700 X 38 / 38-622 700 X 35 / 35-622 700 X 32 / 32-622 700 X 28 / 28-622 700 X 25 / 25-622 700 X 23 / 23-622 700 X 20 / 20-622 Tubular / Wide Tubular / Narrow 28 X 1 1/2 / 40-635 27 X 1 3/8 / 35-630 27 X 1 1/4 / 32-630 27 X 1 1/8 / 28-630 27 X 1 / 25-630 26 X 2.35 / 60-559 / MTB 26 X 2.125 / 54-559 / MTB 26 X 1.9 / 47-559 / MTB 26 X 1.5 / 38-559 / MTB 26 X 1.25 / 32-559 / MTB 26 X 1.0 / 25-559 / MTB 650 x 38b / 38-584 650B 650 x 28C / 28-571 / 26" road/tri 650 x 25C / 25-571 / 26" road/tri 650 x 23C / 23-571 / 26" road/tri 26 X 1 3/8 / 35-590 24 inch (nominal) 24 x 1 / 25-520 32-451 /20 x 1 3/8 28-451/20 x 1 1/8 20 X 1.75 / 44-406 / BMX 20 X 1.25 / 32-406 18 x 1.5 / 40-355 17 x 1 1/4 / 28-369 16 x 1 1/2 / 40-349 16 x 1 3/8 / 35-349 16 x 1.5 / 37-305 Ambi-Skidder

Control-Click (Command-Click on Macs) to choose multiple chainring and cog sizes