Ruff Cycles Ruffian, Original Operating Manual, Page: 30 / 40

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With too low an initial tension of the quick release, the wheel can
come off during the ride. A hazard of accident exists!
-> Always tighten the quick release firmly so that when lifting up the
tension lever, by its force it leaves an imprint on the palm of your
hand.
6.6.5. REAR WHEEL ASSEMBLY
»
Remove the transportation lock between the
brake pads.
»
Mount the rear wheel into the rear dropout
on the frame and lift the chain (or drive belt)
again on the sprocket (or on the front belt
pulley).
Make sure not to clamp the cable pulls.
»
Place a tab washer at each end of the hub
axle. (note the left and right markings.) The washer ribs must point at the
direction of the dropout in the frame. The square hub must engage with the
dropout of the frame.
»
Pull the rear wheel backwards against the drive direction, screw the axle nuts
onto both sides and tighten with a torque of 40 to 45 Newton meter.
» For a chain drive: reposition the chain on the chain tensioner making sure
that the sprocket flanges are positioned in between the chain links.
For a drive belt: make sure that the drive belt is neatly positioned in the
sprocket guide showing the correct tension.
»
Mount the cable pull ends provided with the catch-snapper back into the
Nfinity hub interface according to item 6.6.2 but inversely.
Check the alignment of the markings as described in item 6.7.
MAINTENANCE