The stock 2x bolts will not work

11% polyester

Spider comes with 5 titanium mounting bolts

Who's this item for: Any riders wanting a quick and convenient way to attach 3 bikes of various types to the rear of their vehicle without a towbar that is easy to remove when not required

If you're looking for an affordable 10-speed derailleur

Burgtec Seat Clamp - 39.7mm - Deep Blue netsuite-webdata-created The stock 2x bolts willEffortlessly subtle and minimal design to keep your seat post secure and add the perfect last splash of colour to your build. No edge left unsmoothed, and no detail overlooked, even the split in the back has been machined wide enough so you don't need to detach your dropper cable which makes installation a breeze. A stainless steel bolt gives reliable clamping power and ensures no rust even in the grimmest conditions. Features Stainless Steel Hardware