Topeak Beam Rack Seatpost Mount Rack constructed of tough 6061 T6 aluminum.
- Fits 25.4-31.8 mm seat posts
- Tough 6061 T6 aluminum construction
- Hinged seat post clamp with aluminum quick release lever
- Perfect for mountain and trekking bikes
- Carries 20 lbs and loads with ease
- E-Type for medium/standard size bikes