That's for 650b tyres, if your head tube is 73 and running around 28mm tyres, you'd only need a fork rake of 57-60mm to give you a trail of 45 (give or take).
The Soma trail are smaller than average, mine is at 35mm with a 72mm head tube (70mm rake).
That's for 650b tyres, if your head tube is 73 and running around 28mm tyres, you'd only need a fork rake of 57-60mm to give you a trail of 45 (give or take).
The Soma trail are smaller than average, mine is at 35mm with a 72mm head tube (70mm rake).