Joined: Mar 2007
Posts: 1,572
Likes: 7
From: SF
Bikes: 1972 Paramount Track, 1972 Paramount P13 Road, 1972 Paramount Tandem, 1986 Paramount Road, Merckx MXL, Gunnar Cross Hairs, Samson Illusion NJS, KHS Aero Track, Titus Racer X 29er, Tom Palermo Custom Touring
The chain tensioner isn't strong enough to support the load put on it by back pedaling.