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Caution:
The scale lines of the chain adjuster on both sides must
be consistent with each other.
Warning:
The rear wheel spindle nut must be firmly screwed up to
the tightening torque of 60-90N.m.
Clean and inspection of chain
First, remove the chain by detaching the spring locking
pieces and the removable chain plate.
Use cleaning liquid to wash the driving chain and
remove dust and mud, and then air dry it; check the
chain for abrasion or cracking, and replace it in case of
damage.
Remount the chain and coat it with chain-specific
lubricant; while mounting the chain, the spring locking
pieces shall be in the opposite direction with the chain
movement, the left and right scale lines of the chain
adjuster shall be consistent and the chain swag (tension)
shall be 20-30mm.
Inspect the abrasion of major / minor sprocket. In case
of serious tooth abrasion, teeth missing or broken teeth,
replace
it.
Unscrew the rear wheel
spindle nut
Adjustment
