The great thing about spin bikes, especially the Keiser m3 is that they will make for a good turbo trainer session anytime, some of us prefer it to getting the road bike off the wall, taking off the bike wheel, messing with the chain and cassette, dirty hands, ugh, why, when you can just climb aboard your spinner and make it feel REAL! Here’sthirty minutes where you can, if you’re really honest about it, make this feel as tough as any 20% gradient, make it feel real deal!