Product Description: The Shimano XTR FC‑M9120‑1 crankset is a top‑tier 1x drivetrain crank designed for high‑performance mountain bikes. This model includes a 32T direct‑mount chainring and 170 mm crank arms, making it ideal for XC, trail, and enduro riders who want maximum stiffness with minimal weight. This is an OEM take‑off style item, brand new and never installed, not in retail packaging.
Constructed with Shimano’s Hollowtech II 24 mm spindle and forged alloy arms, the M9120‑1 delivers excellent power transfer and durability. It features a 52 mm Boost chainline, making it compatible with modern Boost 148 mm rear spacing. The crankset works with both 11‑speed and 12‑speed Shimano chains.
This crankset is brand new, includes the 32T chainring, and does not include a bottom bracket. OEM packaging only.
Key Features: • Brand: Shimano • Model: XTR FC‑M9120‑1 • Crankarm length: 170 mm • Chainring size: 32T • Chainring mount: Direct mount • Drivetrain compatibility: 11‑speed / 12‑speed • Spindle type: Hollowtech II (24 mm) • Chainline: 52 mm Boost • Q‑Factor: 168 mm • Rear spacing compatibility: Boost 148 mm • Materials: Alloy / Aluminum • Color: Gray / Black • Weight: 552 g • Condition: New OEM, never installed • Includes: Crankset with 32T chainring • Not included: Bottom bracket • MSRP: $565
Fitment Details: • Designed for mountain bikes using 1x drivetrains • Requires a BSA (English) threaded bottom bracket compatible with Hollowtech II 24 mm spindles • Optimized for Boost 148 mm rear axle spacing • Works with Shimano 11‑speed or 12‑speed chains • Buyer should verify compatibility with their specific frame and drivetrain before purchase
