ocr: SHIFTER Tochange gear, a CHAIN mechanism called ashifter moves the chain between gear GEARS wheels. The shifter 1 MLAMAU4K7 remains parallel to SPRING- the wheel in every LOADED gear SO that the WHEELS chain does not jam. A pair ofspring- SHIFIER loaded wheels wind up slackin - the chain when the chain moves CHAINGE GLAR to: a smaller gear.
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