The Sheffield heavy duty bicycle stand is manufactured from steel tube (48 x 3mm tube) offering outdoor protection & resistance to adverse weather conditions. This bike stand is suitable for all bicycles & is fixed by being concreted into the ground, sub-surface. Each cycle hoop will accommodate 2 bicycles, one bike either side. Heavy duty Sheffield Nylon Coated Bike stand Manufactured from 48x 3mm nylon coated steel tube Each stand accommodates up to 2 bikes of any design Bicycles can be attached to this stand by each wheel and/or the frame offering additional security Surface mounting Surface mounting plate is 10mm thick Sub-surface design has 800mm height above ground, 300mm below We recommend a minimum of 750-800mm between each bike stand to ensure enough room is left for two bicyclesand using M12 expansion bolts (12mm diameter) by a minimum of 100mm length (not supplied) Coated with RISAN Black nylon, the long lasting thermoplastic coating for steel. Prevents corrosion & scratches to cycles