SHIMANO RD-M5120/M4120 10/11 Speed Rear Derailleur Gears
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Description
SHIMANO RD-M5120 and RD-M4120 SGS 10/11 Speed rear derailleur pulleys ensure smooth, precise shifting. Designed to resist wear, they guarantee long-lasting performance, even in demanding riding conditions.
Easy to install, these OE rollers help maintain your transmission's reliability and optimize shifting.
Ref: 15028221837692