Water Sports
Northcore Surfing and Watersports Accessories - Lowrider Surfboard Bike Carry Rack - Lightweight
Attaches to seat stem (25mm to 32mm). Designed to fit most surfboard sizes up to 8'0. Strong durable, practical design which won't damage your bike frame Powder coated fitting to prevent rust The "Lowrider" engineered alloy framework is covered by...
https://www.bizrate.co.uk/water-sports/northcore-surfing-and-watersports-accessories-oid4749488076.html