Top-Normal return for precision up shifting and emergency downshifting. Preferred by traditional and gravity riders: Best matched with RAPIDFIRE Plus. The low-profile SHADOW design is intended for more aggressive riding, offering more clearance with no chain stay contact.
FeaturesShimano shadow RD
Low profile design
No chainstay contact
Direct cable routing
Stronger return springs
Top-Normal return spring (conventional)
SpecificationsModel Number / RD-M972-SGS
Series / XTR
Shifting / Action Top Normal
Mount Type / Drop-out
Maximum Sprocket / 34T
Minimum Sprocket / 11T
Front Difference / 22T maximum
Total Capacity / 45T
Guide Pulley / sealed bearing
Tension Pulley / sealed bearing
Pulley Bolts / stainless steel
Pulley Bolts / Retainer yes
Bracket Body / cold forged aluminum/color anodized
Bracket Pivot Seal / double O-rings
Plate Body / cold forged aluminum/color anodized
Plate Pivot Bolt / aluminum
Plate Pivot Seal / single O-ring
Outer Link / cold forged aluminum/anodized
Inner Link / cold forged aluminum/anodized
Link Pin Bushings / fluorine coated (4)
Outer Plate / carbon
Inner Plate / carbon
Average Weight / 182g
_________________________________

A three piece aluminum carrier and 4 titanium cogs make the new CS-M970 Shimano's lightest 9-speed mountain bike cassette ever at 224g.
Features
New 3-piece alloy carrier for super stiff, more precise & faster shifts
Re-profiled, stiffer, titanium sprockets for super lightweight
Hyperglide system for best shifting performance
Gearing options: 11-32T, 11-34T, 12-34T
Weight: 224g (11-32T)
Specifications
Model Number / CS-M970
Series / XTR
Alloy Sprocket Carrier / yes
Number of Sprockets / 9-speed HG
Sprocket Material / steel/titanium
Sprocket Finish / Nickel/Titanium
Chain Compatibility / Super Narrow HG
Average Weight / 224g (11-32T)
Cassette Options / 3
Option 1 / 11-32T (ba-group)
Sprocket Sizes / 11-12-14-16-18-21-24-28-32
Titanium Sprockets / 21-24-28-32
Option 2 / 11-34T (be-group)
Sprocket Sizes / 11-13-15-17-20-23-26-30-34
Titanium Sprockets / 23-26-30-34
Option 3 / 12-34T (bd-group)
Sprocket Sizes / 12-14-16-18-20-23-26-30-34
Titanium Sprockets / 23-26-30-34
_________________________________
Incorporating the benefit of rigidity with minimal weight of the HollowtechII combined bottom bracket and crankset system, the new FC-M970 manages to drop even more weight while increasing shifting performance and durability. >>Hyperdrive front drive system / Enhanced durability / More precise bearing adjustment / Lighter wight and more versatile

Features
New composite chainring design for improved durability
Titanium/Carbon composite chainring
Optimized lightweight design for reduced weight while maintaining rigidity
Hyperdrive technology for best front shifting
New easier installation for left crank with better bearing adjustment
Gearing options: 44-32-22T, 44-32-24T
Specifications
Model Number / FC-M970
Series / XTR
Crank Construction / HOLLOWTECH II
Cassette Compatibility / 9-speed
Chain Compatibility / Super Narrow HG for 9-speed
4-Arm Chainrings / yes
Chainring Sizes / 44-32-22T/44-32-24T
Bolt Circle Diameter / 104/64mm
Crank Arm Length / 165/167.5/170/172.5/175/177.5/180mm
Crank Arms / forged ultra duraluminum / hollow type
Outer Chainring / aluminum
Middle Chainring / Ti/CFRP
Inner Chainring / aluminum
Chainring Bolts & Nuts / aluminum
Chain Guard / no
Chaincase Compatible / no
Bottom Bracket / included
E-type FD Compatible / yes
Chain Line / 50mm
BB Shell Width / 68/73mm
Average Weight / 770g including BB
_________________________________
A click of the upper lever release cable, same as it always has. Now it releases immediately when the lever is depressed making shifting that much faster.

Features
- Instant release for Quicker shifts
- Multi-release allows Two-gear shifts
2-way release for Different riding styles or shifting from various riding positions
Horizontally adjustable clamp bracket allows Inboard/Outboard positioning for different riding styles
SIS-SP41 cable casing system & coated stainless steel cable
Specifications
Model Number / SL-M970
Series / XTR
Shift Lever Type / Rapidfire Plus
Cassette Compatibility / 9-speed
Front Shifting / triple
Instant Release / yes
Multi Release / yes
2-way Release / yes
Optical Gear Display / no
Shift Cable Casing / sealed SIS-SP41
Shift Cable / stainless steel
Average Weight / 215g
_________________________________