The SHIMANO STEPS E-MTB FC-M8150 crankset (170 mm) is designed to meet the demands of electric-assist mountain biking: power transmission, reliability under load and pedaling control on technical terrain. Designed for e-MTB use, it is part of a performance-oriented and robust assembly, with a design adapted to the specific constraints of electric bikes (motor torque, relaunching, linking of climbs).
From the very first turns of the cranks, this e-bike crankset delivers a stable, precise pedaling feel, useful for both uphill and downhill riding. Its 170 mm size is a common length for optimizing the balance between performance and control, especially on electric mountain bikes.
This SHIMANO crankset is aimed at cyclists looking for a replacement part or a reliable base for an e-MTB assembly, with the emphasis on a transmission solution consistent with the VAE universe and off-road constraints. To ensure the right choice (mounting, interfaces and compatibility), we recommend checking the specifications of your bike and drivetrain.
Scroll down the page to consult the detailed technical specifications at the bottom ↓
Warranty : 2 years
Product overview
The SHIMANO STEPS E-MTB FC-M8150 crankset in 170 mm length is a crankset designed for all-terrain electric bikes equipped with Shimano STEPS motorization. It efficiently transmits pedaling effort to the drivetrain, while integrating into a control- and precision-oriented e-MTB configuration.
Benefits for the user
This SHIMANO e-bike crankset provides a pedaling interface adapted to electric mountain biking, with a crank length of 170 mm appreciated for maintaining a balanced position and limiting stress on uneven terrain. It is aimed at users looking for a spare part dedicated to off-road bikes, designed to work with the SHIMANO STEPS ecosystem.
Technical specifications
Brand: SHIMANO.
Range / designation: STEPS E-MTB FC-M8150.
Part type: crank set for electric-assist bicycles.
Crank length: 170 mm.
Recommended uses
Recommended for e-MTB (electric mountain bike) use, to replace a worn crankset or upgrade a transmission on an off-road-oriented EAB. Suitable for assembly and maintenance operations designed to restore smooth power transmission on paths, trails and technical routes.
Known compatibility
Compatibility indicated: electric bikes equipped with SHIMANO STEPS (STEPS E-MTB). No other compatibility (precise motor, axle standard, chainring type, chain or chain line) is specified in the information provided.
Expert advice
Before purchasing, check the exact compatibility with your SHIMANO STEPS configuration (motor model, motor-side mounting interface, chainring type and any associated bolts), as well as the desired crank length (170 mm). During assembly, check that the bolts are tightened to the torque prescribed by SHIMANO, that the threads are in good condition and that there is no play, then carry out a dynamic test to validate the alignment and correct operation of the drivetrain on your EAB.