- Works with bike seatposts 25-32 mm to fit most standard bicycles - Surfboard carrier mount holds surfboards up to 8 ft long - Sturdy aluminum alloy rack is lightweight and resistant to rust and corrosion - Surf board holder uses a connection rod extended out to keep your surfboard away from the bike wheel, protecting both bike and board Key attributes - Function: Surfboard bike rack and carrier mount - Compatibility: fits seatposts 25-32 mm - Size and capacity: holds surfboards up to 8 ft long - Material: aluminum alloy - Performance: lightweight, rust and corrosion resistant, keeps board clear of the wheel Use scenarios - Weekend beach trip: quickly attach the rack to a standard bike and transport a surfboard to your local beach without using a car - Daily commute to the surf spot: ride with confidence knowing the board is kept separate from the wheel and secured during transit - Road trips to multiple surf breaks: reliable mounting on long drives where weather, road conditions, and frequent stops require a stable, corrosion-resistant rack