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  • Shimano Shimano XT RD-M8100-GS 45T 12-Speed Derailleur
  • Shimano Shimano XT RD-M8100-GS 45T 12-Speed Derailleur

Shimano XT RD-M8100-GS 45T 12-Speed Derailleur

$199.99 $149.99 Incl. tax

New level of drivetrain silence thank to decreased tension in the low gear position and an added bumper on the pulley cage. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANO's new 12-speed cassettes boosts range.

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  • Greater ground clearance supports aggressive riding
    • 28 mm more ground clearance than RD-M8100-SGS
  • Lightweight, short-cage design supports smooth rear suspension movement
  • Fast and precise shifting performance optimized to take on any trail
  • Silent drivetrain in all gear positions
    • New bumper added to rear derailleur pulley cage
    • Bigger 13T pulley
  • Stable drivetrain in rough terrain
  • Compatible with 10-45T cassette sprocket (1x12-speed)

SERIES    DEORE XT M8100 Series
Color    Series color | Series color
Average weight    286
Remarks    w/Bumper on pully cage
Rear speeds    12 - 12
Compatible chain    HG 12-speed
Top-normal spring type|SHIMANO SHADOW RD+    ✔
Mount|Direct attachment (conventional)    ✔
Max. front difference    0T
Total capacity    35T - 35T
Low sprocket|Max.    45T
Low sprocket|Min.    45T
Top sprocket|Max.    10T | 10T
Top sprocket|Min.    10T | 10T
Fluoric coated link bushings    4 | 4
Pulley|Guide pulley bearing    Sealed Bearing
Pulley|Tension pulley bearing    Sealed bearing
Pulley|Teeth    13T | 13T
Pulley|Sunken type pulley screw    ✔
B-axle|Hollow axle    ✔

For more info, visit the Shimano product page

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