For 24”-29” & 700C Wheels This one-size-fits-all aluminum tubular rear rack is equipped with adjustable legs to fit most 24” to 29” wheel MTB and 700C touring bikes. This durable tubular rack is designed for running errands in town or long distance touring. The MTX QuickTrack® plate is compatible with any Topeak MTX TrunkBag, MTX rear basket, and most other rack packs and panniers on the market.