New for the season 2010 - Shimano`s Shadow shifting technology is introduced for Deore derailleurs. This ensures a more crisp shifting feeling and precise shifting performance.
New DEORE M6000 has a capable wide gear ratio that delivers a smoother gear step in all riding conditions.
Chain tensioner for installing Alfine speed hubs on frames with vertical dropouts.
The Alivio RD-M4000 is a 9-speed rear derailleur with shadow technology, known from higher level groupsets like SLX and Deore.
In contrast to the RD-M4000 the rear derailleur RD-T4000 offers the Double Servo Panta Mechanism and not the Shadow technology.
The Shimano Deore RD-M610-SGS Shadow RD 3x10-speed rear derailleur is optimized for Shimano's "Dyna-Sys" technology. With the extra low profile it is intended for more aggressive riding.
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