Topeak QR Beam MTX Rack

Designed to stand up to the rigors of mountain biking, this rack is great for mountain bike touring with a full suspension rig. Universal deck design for mounting any one of Topeak's QuickTrack trunk bags. Tough 6061-series T6 aluminum construction. Hinged seat post clamp with aluminum quick-release lever for easy mounting. Carries up to 20 lbs.; one size fits all seat posts. Big size fits 19 - 21 in. frames, standard size fits 15 - 17 in. frames. Note: Topeak MTX Dual Side frames are required with this rack for it to carry a Topeak MTX trunk bag with panniers; bag and frames sold separately. Also note Big size = V-Type; Standard size = E-Type.