Topeak QR Beamrack MTX A-Type W/MTX Track System. Fits Small Size Frames. CheckoutSpec= 3-Position Compact and highly visible rear

Compact and highly visible rear safety light is powered by four ultra bright LEDs

The light weight

100% high modulus carbon shaft

Low odor and easy to setup

but with the strong construction we can make the shaft thinner

Topeak QR Beamrack MTX A-Type W/MTX Track System. Fits Small Size Frames. CheckoutSpec= 3-Position Compact and highly visible rearTopeak Beam Seatpost Rack MTX Black A Type for Small Frames: Fits 25. 4 31. 8mm seatpost. The Topeak Beam Seatpost Mount Rack carries up to 20lbs and comes in three variations to cover different frame sizes. The quick release clamp allows for easy removal for weekend rides. 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