SHIMANO DEORE 12S M6100 REAR DERAILLEUR - 1X12-SPEED

Shimano DEORE Rear Derailleur - M6100 Series
12-speed - 1x12s only

DEORE 12 speed is here. It arrives with a ton of inherited features from higher tier groupsets, making it a great value. Cross-compatibility with SLX, XT and even XTR (Mx100 Series) groupsets makes DEORE 12s relevant for riders of all styles and levels.

• Part of Shimano's new 12 speed, 10T-51T, HYPERGLIDE+ drivetrain system which delivers the widest-ranged and smoothest shifting ever, in either direction.
• SHIMANO SHADOW RD+ chain stabilizing system (clutch):
• keeps chain taut, reducing both noise and damage to chainstay
• is lighter and more efficient than roller chain-guide systems 
• toggles on and off for easier maintenance.
• Reduced chain tension in low gear chain position (on large sprocket) ensures a silent drivetrain in all gears.
• Hidden away, low-profile design helps avoid derailleur damage.
• Features a larger, 13T pulley.

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RD-M6100-SGS
SHIMANO SHADOW RD+
1x12s (10T-51T)
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Keep in mind: 
Compatible cassettes employ a MICRO SPLINE rear hub mount (freehub body).