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
• A-Type for small bikes
• E-Type for medium/standard size bikes
• V-Type for Large bikes
• Color:Black
• Weight Limit (lbs):20 lbs
• Material:Aluminum
• Platform Dimensions:21.3 x 5″
• Seatpost Diameter:25.4-31.8 mm
• Weight:680 g
• Tube Diameter:6.4 mm