Topeak MTX BeamRack II Seatpost Mount Rack - A-Type Small Frames MFPN=11A00801 5Lockout Switch Shock Mounted SwitchMetric

5Lockout Switch Shock Mounted SwitchMetric YesEyelet Diameter (mm) 12

Features a raised center for fast rolling on asphalt

Top-of-the-line rear derailleur with generous use of carbon fiber and titanium for maximum performance at minimal weight

Rise 40Material CarbonBack Sweep (deg) 8Upsweep 5Bar Clamp Diameter (mm) 35

Color Black Rise 30 Material Aluminum Upsweep 5 Defined Color Black Back Sweep (deg) 7 Weight 305 Bar Clamp Diameter (mm) 35

Topeak MTX BeamRack II Seatpost Mount Rack - A-Type Small Frames MFPN=11A00801 5Lockout Switch Shock Mounted SwitchMetricTopeak MTXS BeamRack II Seatpost Mount Rack A Type Small Frames. 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 and loads with ease