| Also known as | 17-05686, T109T |
| Listed in parts books | Not catalogued by year yet |
SHOCKS,12.4-110LB T140-
Rear shock absorber, 12.4 in., 110 lb rate, cataloged for the T140 line, PN 57-0109T (alias T109T, 17-05686).
This is a rear shock absorber unit, part number 57-0109T, listed in the catalog as a 12.4 inch, 110 lb spring rate shock associated with the T140 line. The legacy alias T109T is the older book number for the same physical part, and it also shows up under 17-05686 in other listings.
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Rear shocks are a pair item on most Triumph twins, mounted between the swinging arm and the rear frame loops, controlling how the back end of the bike absorbs bumps and keeps the wheel in contact with the road. Beyond the spring rate and length the catalog gives us, we don't have more detail on this one, so if you're trying to match an existing pair or confirm it against what's currently on your bike, give us a call before you order.
We can't confirm exact model-year fitment beyond what's shown here, so check your parts book or give the shop a call if you want that nailed down before ordering.
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