Manufactured from 22mm dia. and 30 x 30mm mild steel.50mm spacing for locking tyres (suitable for mountain bikes) .U-fixtures supplied for ground fixing.3, 6 and 12 space single and double-sided bicycle stands which can be extended infinitely by adding modules (extension modules not available in galvanised) .1015mm length has a capacity for 3 bikes on single sided and 6 on double sided stands. 2152mm length has a capacity for 6 bikes on single sided and 12 on double sided stands.