$15.99at N+1 BikesBuyN+1 BikesReverse Ahead Cap with Screw Red$15.99N+1 Bikes$15.99BuySaveShareN+1 Bikes profileThe creators who use it, or GearCred, may earn a commission when you buy through these links, at no extra cost to you.From N+1 BikesSuperlight aluminum top cap with alloy M6x32mm bolt, only 8 grams