Shimano SLX RD-M663 Dyna-Sys SGS 10 Speed Rear Derailleur

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Show Description

The Shimano® SLX series are mid-range components designed for off-road riding. The series allows you to tailor the components to suit cross-country or all-mountain riding.

  • Compact profile clears snags and obstacles and keeps the chain from smacking the chainstay.
  • Compatible with Dyna-Sys drivetrains for lightness, tight gear ratios, and efficient chain movement.
  • Direct attachment mount.
  • Maximum sprocket capacity is 36T.
  • Minimum sprocket capacity is 11T.
  • Front difference is 18T.
  • Total capacity is 43T.

Tech specs

Show Tech specs

Braze-on mounting uses fittings permanently mounted to the frame. Collar mounted derailleurs secure around the seat tube with a clamp. Direct mount are fastened to the chainstay.

Maximum capacity

The maximum number of teeth difference between the smallest and largest chainrings (front derailleur) or cogs (rear derailleur).

Maximum sprocket 36T
Minimum sprocket 11T

One-way friction clutch that increases chain tension, reduces chain and cage movement, and reduces dropped chains. Releases for wheel removal.

Made in Japan