As I posted (not entirely appropriately I may add) on another thread, absolutely. I had been on 170s for a long time until I got my Trance X, which sits considerably lower than the SB66 it replaced. Stock cranks were 170s and after numerous rock strikes, one involving me wondering if I broke a toe, I decided to swap to shorter Canfield 155s. A bit odd at first, but it took less than 20mi to figure out the new feel. My cadence is more consistent, punchy climbs feel like there's more traction available since I'm spinning rather than punching the...