History
Copy of a factory mod Ariel Colt swingarm trials bike as riden by Clyde Bell at the SSDT Trial in 1957
Modifications
250cc barrel and crank fitted to the original colt cases and using the Colt 2.4Kg head. Special length pushrods needed. D5 bantam swingarm rear replaces plunger. Road legal equipment added for registration. Stronger C12 BSA 4 speed gearbox. Alloy mudguards.
