It uses a wedge style axle arrangement to mount it to the mainframe. The lower link houses the bottom bracket and so is concentric to the crank axle. The upper aluminum link is 3 pieces and uses long titanium screws and some locking keyways to turn it into a single rigid part. The brake mount bolts in from below and not only houses the threads for all the bolts, leaving the frame to be simpler and easier to make, but small grub screws to secure the bolts in place. The mainframe also incorporates Vectran into the composite mix, a spun polymer fiber that has a high strength and that Antidote adds into the mix to up the impact resistance as well as strength of the whole structure.Ĭables are internally routed through both the mainframe and rear triangle with a short section that loops the cables under the threaded bottom bracket.
Our test bike was finished in a high gloss lacquer showing off the woven carbon fiber material underneath, although Antidote offers an array of finishes including the option of a fully customisable paint job if you’re willing to pay.
Holding the two together are two aluminum links and some titanium screws. Antidote says that you can even run the bike with a 170mm fork if you like, although the geometry will alter a little.īoth the mainframe and rear triangle are constructed from carbon fiber composite and made in Poland. The Carbonjack is a 29” wheeled, 150mm rear travel bike paired with a 160mm travel fork.
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