Currier Tech Ezip, Owner'S Manual, Page: 103 / 123

103
chain Rivet tool
adjustment and Replacement
On derailleur geared bicycles the rear derailleur automatically tensions
the chain. To adjust the chain on single speed freewheel, coaster hub
brake or internally geared bicycles:
1. Loosen the rear axle nuts (and coaster brake arm clip if fitted)
and move the wheel forward to loosen, or backward to tighten, in
the frame.
2. When correctly adjusted, the chain should have approximately
10mm (3/8") of vertical movement when checked in the center
between the chainwheel and rear sprocket. Center the wheel
in the frame and re-tighten the axle nuts after any adjustment.
Bicycles which have a single speed freewheel, coaster hub
brake or 3-speed hub, generally use a wider type chain than
derailleur geared bicycles. These chains can be disconnected by
way of a special U-shape joining link, that can be pried off of the
master link with a screwdriver. To replace, feed the chain around
the chainwheel and rear sprocket, fit the master link into the
rollers into each end of the chain, position the master link side
plate, and slip on the U-shaped snap-on plate. Make sure the
open end of the U-shaped plate is trailing as the link approaches
the chainwheel when pedaling forward.
Derailleur geared bicycles use narrower chains and require a
special tool to fit and remove chain links, or to change the length. To
remove, fit the rivet tool so that the punch pin is centered over any one
of the chain rivets. Push the rivet almost all the way out, then back out
the punch and remove the tool. Holding the chain on both sides of the
punched rivet, bend it slightly to release link from the rivet. To install,
feed chain around chainwheel, rear sprocket and derailleur cage with
rivet facing away from the bicycle. Bring the two ends together within
the special tool and punch the rivet into place. Be sure not to push rivet
too far through side plate.