Gear Ratios
Linking these here for my future reference…
Roubaix
50-39-30 chainring, 12-30 Ultegra cassette (10 speed)
Speed @90 rpm
| 12 13 14 15 17 19 21 24 27 30 ----+------------------------------------------------------------ 50 | 29.3 27.0 25.1 23.4 20.6 18.5 16.7 14.6 13.0 11.7 39 | 22.8 21.1 19.6 18.3 16.1 14.4 13.0 11.4 10.1 9.1 30 | 17.6 16.2 15.0 14.0 12.4 11.1 10.0 8.8 7.8 7.0
Enduro MTB
32 chainring, 12-36 cassette (9 speed)
| 12 14 16 18 21 24 28 32 36 ----+------------------------------------------------------ 32 | 18.6 15.9 13.9 12.4 10.6 9.3 8.0 7.0 6.2
XX1/30
| 10 12 14 16 18 21 24 28 32 36 42 ----+------------------------------------------------------------------ 30 | 21.8 18.2 15.6 13.6 12.1 10.4 9.1 7.8 6.8 6.1 5.2