Ruk Sports PU Wheel 260 - Puncture Proof Tubeless Tyres This PU Trolley Wheel is the ideal upgrade or replacement for Ruk Sports canoe or sit on top trolley. Features: Its PU contruction has all the same characteristics and feel as the pneumatic tyre No need for replacement tubes or repair PU puncture proof tubeless tyres Technical Features: Wheel O/D: 26cm  /  10.23in Hub O/D: 17cm  /  6.69in Hub Bore: 20mm  /  0.78in Hub Depth: 70mm  /  2.75in