Park Tool ASF-1 Adjustable Support FixtureThe solution for placing non standard geometry frames in repair stands ASF 1 replaces the clamp in any Park Tool Professional Repair Stand with a rotating crossbar and two adjustable position 12 inch 30cm support forks Can be expanded using optional 24 inch support forks to better support wide loads such as trikes and front loading cargo bikes (ASF 24 sold separately) Retailers are not permitted to sell on the Amazon. com marketplace unless authorized