Shimano RD-M5130 DEORE GS 10 Speed Rear DerailleurShifting for the massesShimano's new M5310 Deore rear derailleur delivers precise and reliable 10-speed shifting at an affordable price point. It features trickle down tech in the form of Shadow RD+ which keeps your chain properly tensioned and helps to reduce chain slap with the integrated clutch mechanism. Support for the Deore 11-43t cassette means you'll have all the gears necessary to climb up the steepest of hills. System integration with LINKGLIDE means you can natively use the Deore derailleur with LINKGLIDE cassettes for maximum longevity and smooth shifting. With the low-profile design, the Deore derailleur stays out of the way, reducing potential incidents while out on the trails. All in all, Shimano's new M5310 rear derailleur is proof that excellent shifting performance doesn't have to cost an arm and a leg. FeaturesShadow RD+ offers a clutch mechanism to maintain chain tensionSupport for the Deore 11-43t cassette so you can climb up anythingLINKGLIDE support for maximum longevity and smooth shiftingLow-profile design to reduce potential damage while ridingPulley cage: GSMin sprocket: 11t, Max sprocket: 43t | Shimano | DEORE GS RD-M5130 10 Speed Rear Derailleur REAR DERAILLEUR, RD-M5130, DEORE, GS 10-SPEED, TOP NORMAL