Chain Watcher Anti Snag Device - for 34.9 mm Seat Tubes
SJS Cycles part number :
Manufacturer part number :
To prevent chain dropping off inner ring and fouling frame.
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Questions & Answers (1)
Which way does the device fit
By John White
22 May 2018
Should the hook point to the front or rear of the bike?
SJS Customer Service:
Generally these are fitted with the hook facing backwards.