The Shimano DEORE FC-M6120 1×12-speed crank with 178 mm Q-factor, 55 mm chainline and 148 mm O.L.D stands for highest drive efficiency. It offers optimum power transmission and maximum speed for the new DEORE system, which only use 1 chainring.
Formed from the same DNA as its big siblings: DEORE 1×12-speed Crank FC-M6120-1 from Shimano
Molded from the same DNA as XTR, DEORE XT and SLX, the new M6100 series delivers Shimano’s proven 12-speed technologies at DEORE level.
In addition to a new special 12-speed chain (CN-M6100) with the corresponding new 12-speed QUICK LINK lock, SHIMANO is also equipping the DEORE M6100 with new cranksets for 12-speed (FC-M6100/6120/6130-1). Most of them use 1-speed systems.
The sleek metallic color shift DEORE crankset comes in single-only (1×12) configuration for drivetrain simplicity. It features the same Dynamic Chain Engagement+ technology as XTR, DEORE XT and SLX cranksets, which with its narrow/wide tooth profile is key to the improved chain retention, smoothness and quietness of the drivetrain. For secure and fast mounting of the chainring, the crank is equipped with a direct mount system, making chainring changes a breeze.
Features – Shimano DEORE FC-M6120-1 12-speed Crank 30T
- FC-M6120-1 Q-Factor 178mm
- Chain line 55mm
- O.L.DÂ 148mm (Boost)
- Compatibility 1×12-speed with CS-M6100 cassette 10-51
- Mounting system Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release)
Product features
- Use: MTB
- Group:Â DEORE M6100
- Model: FC-M6120-1
- Gradation:Â 30T
- Q-Factor: 178mm
- Threaded BB shell width: 68 / 73mm
- Gear rear:Â 12-speed
- Construction:Â 2-Piece
- Compatible Chain:Â CN-M6100 12-speed
- Crank arms: 4 arm
- O.L.D:Â 148mm (Boost)
- Chain line:Â 55mm
Crank arm length (choose variant)
- 170mm
- 175mm
MaterialÂ
- Crank arm: Aluminum Anodized
- Crank axle: Steel Plated
Scope of delivery
- 1 x Shimano DEORE FC-M6120-1 12-speed Crank 30
Technology
DYNAMIC CHAIN ENGAGEMENT+
SPECIAL GEAR TEETH FUNCTION SHIMANO’s DYNAMIC CHAIN ENGAGEMENT+ is a special gear teeth profile designed for use in single-chainring configurations for XC, enduro, and trail riding. It gives more chain retention and smoother pedaling – even over bumpy terrain. Chain retention of any gear will reduce abrasion and worn out.





















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