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Shimano Acera 9-Speed Rear Derailleur

Shimano Acera 9-Speed Rear Derailleur
  • Color: Black
  • Color: Silver
$40.00
Color:
Black
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This item is not permitted to be shipped, however it can be purchased online and picked up at our store for your convenience.

Details

Smooth consistent shifts are yours with Shimano's Acera 9-Speed Rear Derailleur. The wide, forged link offers stiffness for enhanced precision and shifting speed, while the low-profile design keeps it clear of trail obstacles.

An important part of a rear derailleur's job is keeping the chain taut as you change gears. Chain-wrap capacity is a number that tells whether or not a derailleur will be able to do this on the drivetrain you plan to use it on. Calculate chain-wrap capacity with this formula: Chain-wrap capacity = (large chainring - small chainring) + (large rear cog - small rear cog). Example: 44/29 chainrings and a 11-28 cassette: (44 - 29 = 15) + (28 - 11 = 17) = 32-tooth chain-wrap capacity.

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