The Shimano FC-MT101 is a high-performance front chainwheel (crankset) engineered to deliver precise shifting, optimal power transfer, and rugged durability for mountain biking and trekking applications. Specifically designed for compatibility with 3x9-speed drivetrains, this model combines efficiency and reliability for riders seeking versatility on diverse terrain.

⚙️ Key Technical Specifications:

• Crank Arm Length: 170mm

• Chainring Configuration: 3x (Triple), with 40T (outer), 30T (middle), and 22T (inner)

• BCD (Bolt Circle Diameter): Shimano’s proprietary format (non-removable rings)

• Q-Factor: Optimized for MTB geometry to ensure stable pedaling posture

• Chainline: 50mm (compatible with 135mm O.L.D. rear hubs)

• Material: Durable aluminum crank arms with steel composite chainrings

• Color: Matte black finish

• Chain Compatibility: HG 9-speed chains

• Includes: Chain Guard (CG) + Crank Fixing Bolt

• Chain Case Compatibility: Not compatible with full chain cases (open-type only)

🔧 Design & Performance:

Built for consistent performance, the FC-MT101 incorporates Shimano’s HyperDrive technology, enabling smooth and accurate front shifting even under load. Its triple-ring design gives riders access to a wide gear range, making it suitable for steep climbs, technical trails, and flat terrain alike. The carefully selected gear steps (40-30-22T) are optimized for cadence efficiency, reducing gear overlap while improving pedaling rhythm.

The 170mm crank arms cater to a broad rider demographic and offer balanced torque distribution, especially suited for riders seeking responsive yet stable crank feedback on climbs and descents. The forged aluminum crank structure ensures stiffness without adding unnecessary weight, contributing to a durable yet lightweight setup.

🔒 Durability & Integration:

Designed with durability in mind, the steel chainrings resist wear from mud, grit, and chain stress — common in mountain biking. The included chain guard (CG) helps prevent chain drops and protects the outer ring, while the crank fixing bolt simplifies installation and increases structural security. However, it is important to note that this model is not compatible with enclosed chain cases, which makes it more suitable for MTB and trekking bikes rather than urban bikes with full guards.

✅ Use Case:

Ideal for entry-level to mid-range MTB builds, recreational trail riding, and hybrid trekking bikes. Its compatibility with 9-speed rear systems and open drivetrain setups makes it a cost-effective and practical solution for bike upgrades or OEM replacements.