Crankbrothers' alloy wheels leverage Synthesis tuned technology to offer maximum control and stability. Explore Synthesis Alloy for E-MTB, Enduro, Gravel, DH, and XC disciplines.
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| US Mens | 3* | 4* | 5 | 6 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 |
| US Womens | 4.5 | 5.5 | 6.5 | 7.5 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15.5 |
| EUR | 35 | 36 | 37 | 38 | 39.5 | 40 | 41 | 41.5 | 42 | 43 | 43.5 | 44 | 44.5 | 45 | 46 | 46.5 | 47 | 48 |
| UK | 2 | 3 | 4 | 5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 |
| MM | 220 | 228 | 235 | 242 | 252 | 256 | 262 | 265 | 270 | 275 | 280 | 283 | 286 | 290 | 295 | 300 | 305 | 310 |
