Shimano XTR 1x11-speed Upgrade Kit

Item number: 65574
XTR 1x11-speed Upgrade Kit - grey/I-Spec II / 11-40
XTR 1x11-speed Upgrade Kit - grey/I-Spec II / 11-40
XTR 1x11-speed Upgrade Kit - grey/I-Spec II / 11-40
XTR 1x11-speed Upgrade Kit - grey/I-Spec II / 11-40
  • 100 day return period
  • Online since 1998
  • Trusted Shop 4.91 / 5.00

The XTR 1x11-speed Upgrade Kit by Shimano - An upgrade for discerning cyclists

Get the Shimano XTR 1x11-speed upgrade kit if you want to easily switch from 10-speed to 1x11-speed and want the best of the best. The kit consists of a cassette (11-40 or 11-46 T), a Quick-Link chain, a rear derailleur and a shifter for the right, where you have the choice between a clamp and I-Spec II. For performance-oriented riders, the XTR offers high-end technology that benefits from years of Shimano experience and has been perfected for the demands of modern MTB sport.


Series: XTR M9000
Application: Cross Country, All Mountain, Enduro
Shifters & Derailleurs: 11-speed (mechanical)

Technical Information - Cassette:

Type: XTR CS-M9001 11-40 or Deore XT CS-M8000 11-46 (HG)
Gearing: 11-speed
Gradation: 11-13-15-17-19-21-24-27-31-35-40 t (XTR) or 11-13-15-17-19-21-24-28-32-37-46 t (XT)
Sprocket Material 11-40: steel (sprockets 1 to 4), titanium (sprocket 5 to 10), aluminium (sprocket 11)
Sprocket Material 11-46: steel, aluminium (sprocket 10 +11)
Freehub Compatibility: Shimano MTB
Note: compatible with Shimano Road 11-speed using a 1.85 mm spacer
Spider 11-40: 4 (2 x aluminium, 2 x carbon)
Spider 11-46: 2 (aluminium)

Technical Information - Rear Derailleur:

Type: XTR RD-M9000 short/mid (GS)
Attachment: standard (Direct Mount compatible)
Capacity: 37-tooth
Largest Sprocket Teeth (max.): 42 with 2x11-speed, 46 with 1x11-speed
Largest Sprocket Teeth (min.): 40-tooth
Smallest Sprocket Teeth (max.): 11-tooth
Smallest Sprocket Teeth (min.): 11-tooth
Chainring Difference (max.): 10-tooth
Compatibility: Shimano MTB 11-speed
Compatibility - Chains: HG-X11
Derailleur Pulleys: 11-tooth
Outer Cage Material: carbon (CFRP)
Inner Cage Material: Aluminium
Other Materials: aluminium, stainless steel, carbon (CFRP)

Technical Information - Chain:

Type: XTR / Dura-Ace CN-HG901-11 (HG-X11)
Number of Links: 116
Closure Type: master link (Quick-Link)
Pin Type: chromium-plated, hollow
Directional: yes
Material: steel

Technical Information - Shifter:

Type: XTR SL-M9000 or SL-M9000-I (Rapidfire Plus)
Mount: clamp (closed) or I-Spec II
Body Material: Aluminium
Lever Material: carbon (CFRP)
Cable: stainless steel, polymer coating
Cable Housing: OT-SP41
Adjustment Options: cable adjust, position adjust (I-Spec II only), rotation adjust (I-Spec II only)
Features: Instant Release, Multi Release (pull: one gear, press: two gears), 2-Way Release


The Shimano XTR 1x11 upgrade kit includes:
- 1 x Shimano cassette, XTR CS-M9001 11-40 or XT CS-M8000 11-46
- 1 x Shimano XTR RD-M9000 Shadow+ short rear derailleur
- 1 x Shimano XTR / Dura-Ace CN-HG901-11 chain
- 1 x Shimano XTR SL-M9000 shifter or (SL-M9000-I mm, right)
- 1 x Shimano cable, 2050 mm
- 1 x Shimano 1800 mm cable housing
- 1 x Shimano aluminium cassette lockring
- 1 x Shimano SM-CN900-11 Quick-Link master link


  • grey/clamp / 11-40, out of stock
  • grey/I-Spec II / 11-40, out of stock
  • grey/clamp / 11-46, out of stock
  • grey/I-Spec II / 11-46, out of stock

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