Control & stability for enduro riding
The Crankbrothers Synthesis Enduro Alloy 2.0 is specifically engineered for enduro and aggressive trail riding and racing, combining unparalleled control and durability.
Part of Selle Royal Group S.p.A. © 2026 All rights reserved.
| 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 |
