Shimano Crank XT FC-M8120-1 without Chainring Boost 12-Speed

The Shimano XT FC-M8120 1 x 12-speed Boost crank with 178 mm Q-factor, 55 mm chainline and 148 mm O.L.D stands for highest drive efficiency at low weight. It offers optimum power transmission and maximum speed for the new XT system, which only use 1 chainring.

In addition to a new special 12-speed chain (CN-M8100) with the corresponding new 12-speed QUICK LINK lock, SHIMANO is also equipping the XT M8100 with new cranksets for 12-speed (FC-M8100/8120/8130-1). Most of them use 1-speed systems and a wide range of chainrings (28T to 36T) is available.The new XT 1x12-speed cranks are characterised by DYNAMIC CHAIN ENGAGEmeNT+ technology, whose special high-precision tooth profile ensures that the chain finds optimum grip on the upper part of the chainring on rough terrain, but detaches equally well from the chainring at the bottom, thus ensuring efficiency, smoothness and low noise of the drive. The cranks are equipped with a direct-mount system for quick and safe assembly of the chainrings, enabling chainrings to be changed in no time at all. The crank is available in boost and non-boost specifications.The original mountain bike group continues its legacy of remaining the standard for mountain bikers everywhere. Nearly three decades in, the Deore XT brand is defined by its trail-tested durability, reliability and performance. Recognizing that today’s mountain bikers are riding faster and confidently on more technical terrain, the legacy of Deore XT is more important than ever. In 2019, our pinnacle mountain bike technologies will  trickle down to SHIMANO Deore XT M8100. 

FEATURES

• Compatibility 1x12-speed with CS-M8100 cassettes 10-45 and 10-51
• Mounting system Direct mount (Lighter and stiffer design & easy exchangeable chainring by direct mount and one key release)
• Chainring SM-CRM85 Available in different gradations (28-30-32-34-36) - Chainring is not included

SPECIFICATIONS

• Use: MTB
• Group: XT M8100
• Model: FC-M8120-1
• Gradation: Chainring is not included
• Q-Factor: 178mm
• Threaded BB shell width: 68 / 73mm
• Gear rear: 12-speed
• Construction: Hollowtech II
• Compatible Chain: CN-M8100 12-speed
• Crank arms: 4 arm
• O.L.D: 148mm (Boost)
• Chain line: 55mm
• Crank Arm Length (choose variant)
• 165mm 
• 170mm
• 175mm
• 180mm
• Material 
• Crank arm: Aluminum Anodized
• Crank axle: Steel Plated
• Weight: approx 608g with chainring