2.3 CHAIN LENGTH ADJUSTMENT:
NOTE:
If the optional chain tensioner is installed it will normally
take up any chain slack resulting from fore and aft bottom
bracket adjustments, thus this section can be skipped.
After adjusting the cranks, check and adjust the chain
length. The chain should be long enough to permit shifting onto
the large front chain wheel-large rear sprocket combination, and at
the same time, not so long that it goes slack when shifted onto
small chain wheel-middle rear sprocket combinations.
This can be accomplished by adjusting the chain length so that
the rear derailleur is in the position shown in Fig. 2-3 with the
chain on the large chain ring-large rear sprocket combination.
CAUTION:
If the chain is not long enough to shift onto the large front
chain ring-large rear sprocket combination; the rear derailleur
and the chain will break.
FIG. 2-3
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