Leatt MTB Gravity 1.0 V24 Helmet - L - Steel YGroup_8216437391405 double-headed clamping arm that supports

double-headed clamping arm that supports your 4th bike by clamping it securely to the 3rd bike

5% spandex blend

24mm - This suits Shimano cranks with a straight 24mm spindle (also fits some FSA

AND is designed for Enduro

a little fancier looking

Leatt MTB Gravity 1.0 V24 Helmet - L - Steel YGroup_8216437391405 double-headed clamping arm that supportsThe Leatt MTB Gravity 1. 0 is a full face helmet with solid protection. The focus of this helmet is premium safety and great value. Featuring 360 Turbine Technology, the helmet is lined with turbines which are 360 moving discs constructed from an energy absorbing shape and material, this tech has two exclusive advantages, namely the reduction of rotational acceleration to the head and brain and the absorption of energy upon impact at concussion level.