Shower Door Bump Stop Rollers, Wheels, Runners. 4 x SR02 (#183350449384) £4.99 View Item. 4 x SR01 (#173438764397) £4.99 View Item. 4 x SR01 (#183297375845) £4.99 View Item. Shower Door Rollers, Twin Wheels, Runners SR81 Daryl Aroco (#183280340018) £22.99 View Item.