Join Date: Jul 2006
Location: Columbus, OH
Bikes: '08 Surly Cross-Check, 2011 Redline Conquest Pro, 2012 Spesh FSR Comp EVO, 2015 Trek Domane 6.2 disc
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Regular stand-style trainers clamp the bike by the rear axle and use adjustable pressure to hold the roller against the rear wheel. There won't be the same force at work as putting your full weight on the wheel, but rollers/trainers are hell on tires so get a cheapo tire, use a worn out one from the summer, or buy a high-wear trainer tire instead of wearing out your good rubber.
I'd worry less about the wheel and more about the QR and axle. With clamp on trainers that attach at the axle, I prefer to use a beater skewer so I don't bang up my nice stuff; plus the cheap ones tend to be a little heavier and resistant to abuse than the lightweight expensive ones.
"I feel like my world was classier before I found cyclocross."
- Mandi M.