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Shimano XTR 1×12-speed Upgrade Kit w SRAM XG-1275 10-50 Cassette

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Series: XTR M9100
Application: Cross Country, Enduro, Trail
Gearing: 12-speed (mechanical)

Features – GX Eagle XG-1275 12-speed Cassette 10-50

    • Eagle Technology
    • XD™ Driver Body creates more stable hub connection
    • Lightweight stamped steel cogs
    • X-Glide² – improves shifting as well as chain retention

Product features

    • Use: MTB
    • Model: XG-1275
    • Speeds: 12-speed
    • Teeth: 10-50
    • Gear Ratios: 10-12-14-16-18-21-24-28-32-36-42-50
    • Recommended Chain: Eagle chain only


    • Only compatible with XD™ Driver Body


    • Stamped steel


    • 450g (manufacturer information)

Technical Information – Rear Derailleur:

Type: XTR RD-M9100 short/mid (GS)
Mount: standard
Capacity: 35 teeth
Largest Sprocket Teeth (max.): 45 tooth
Largest Sprocket Teeth (min.): 45 teeth
Smallest Sprocket Teeth (max.): 10 teeth
Smallest Sprocket Teeth (min.): 10 teeth
Chainring Difference (max.): 0 teeth
Compatibility: Shimano MTB 11-speed (wide flange), Shimano MTB 12-speed
Derailleur Pulleys: 13 tooth
Outer Cage Material: carbon (CFRP)
Inner Cage Material: aluminium
Other Materials: aluminium, stainless steel, carbon (CFRP)

Technical Information – Chain:

Type: e*thirteen 12-speed
Number of Links: 126
Closure Type: master link (Quick-Link)
Directional: yes
Material: steel

Technical Information – Shifter:

Type: XTR SL-M9100 or SL-M9100-I (Rapidfire Plus)
Mount: clamp (closed) or I-Spec EV
Body Material: aluminium
Lever Material: aluminium (main lever), carbon (CFRP, release lever)
Cable: stainless steel, polymer coating
Cable Housing: OT-SP41
Adjustment Options: cable adjust, position adjust (I-Spec EV only), rotation adjust (I-Spec EV only)
Features: Instant Release, Multi Release, 2-Way Release

The I-Spec EV shifter is not compatible with I-Spec (B) or I-Spec II brake levers, but instead only with I-Spec EV levers(BL-M9100, BL-M120).
Neither than shifter nor the rear derailleur are compatible with M9000 components or other 11-speed groupsets.


– 1 x e*thirteen TRS+ 12-speed cassette OEM packaging
– 1 x Shimano XTR RD-M9100 Shadow+ rear derailleur
– 1 x e*thirteen 12-speed chain
– 1 x Shimano XTR SL-M9100 shifter or (SL-M9100-I mm, right)
– 1 x Shimano cable (2050 mm)
– 1 x Shimano cable housing (1800 mm)
– 1 x e*thirteen master link


Gear Range



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