Shimano
SHIMANO DEORE XT FC-M8120-1 CRANK 170MM 1X12 BOOST
SHIMANO DEORE XT FC-M8120-1 CRANK 170MM 1X12 BOOST
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SHIMANO DEORE XT FC-M8120-1 CRANKSET (170 MM | 1X12-SPEED | BOOST 55 MM | BLACK)
The Shimano Deore XT FC-M8120-1 1x12-speed crankset stands for maximum stiffness, low weight, and uncompromising reliability for modern trail, enduro, and all-mountain use. Thanks to Hollowtech II technology with a 24 mm hollow axle, the crank offers outstanding power transfer with a low weight of only approx. 628 g.
The crank is specifically designed for Boost rear ends and offers an optimized 55 mm chainline as well as a Q-factor of 178 mm for a stable foot position. The direct-mount system allows for a quick and easy chainring change. Compatible with standard 68 mm and 73 mm bottom bracket shells, it is the perfect centerpiece for your 1x12 drivetrain.
Condition note: Unridden and removed directly from a new bike (0 km). Technically 100% flawless! There are minor cosmetic signs of initial assembly and disassembly (see detailed photos).
Features & Specifications
• Brand: Shimano
• Group / Series: Deore XT M8100 Series
• Model: FC-M8120-1
• Crank length: 170 mm
• Gears: 1x12-speed
• Chainline: 55 mm (Boost +3 mm standard)
• Q-factor: 178 mm
• Chainring mount: Shimano MTB Direct Mount (supplied without chainring)
• Axle profile / standard: Hollowtech II (24 mm hollow axle)
• Bottom bracket shell width: 68 mm / 73 mm
• Intended use: MTB, Trail, Enduro, All-Mountain
• Material: Aluminum
• Condition category: Removed from a new bike (0 km, technically 100% top, minor cosmetic assembly/disassembly marks present)
• Color: Black
• Weight: approx. 628 g
• Model year: 2026
• MPN / Manufacturer Part No.: IFCM81201CXXT
• EAN / GTIN: 4550170780630
Scope of delivery
1x Shimano Deore XT FC-M8120-1 crank arms left & right (170 mm) incl. 24 mm hollow axle – without chainring & without bottom bracket.
Conclusion
Proven high-end crank in the Deore XT class: Offers outstanding stiffness, low weight, and perfect Boost performance – ideal for bargain hunters who don't mind minor marks from a new bike disassembly.
Product Information & Conditions
GPSR Information
Manufacturer
Shimano Europe B.V.
High Tech Campus 92
5656 AG Eindhoven
Niederlande
Email: privacy@shimano-eu.com
Note: All product information and technical data are compiled with the utmost care. Nevertheless, errors, discrepancies, or changes cannot be ruled out. Manufacturers reserve the right to change specifications, features, and weights without prior notice. Subject to change without notice.
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