Description
High-Speed Control & Rigid Trail Mechanical Efficiency
Maintaining smooth mechanical power transfer over loose sand, thick mud, and severe incline accents puts high structural pressure on your bike’s primary rotational drive assembly. The ProWheel Pioneer 170 Crank and Chainwheel Set is built to balance physical toughness with clean, responsive pedaling dynamics. Cut from premium forged aluminum alloy with a custom styled sport finish, the 170mm crank arms resist bending under high-impact torque while keeping the bike’s center of mass centered.
Note on Factory Engravings: While the integrated outer protective chain guard features an industrial stamp indicating up to 48-tooth clearance capabilities, this official FM 750x OEM variant is factory-fitted with an upgraded 44-tooth gear cluster. This specific design widens the drive ring diameter, allowing you to easily put human muscle power into the drivetrain at wide-open throttle without spinning your legs out (“ghost pedaling”).
Technical Highlights
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Upgraded 44T High-Speed Mapping: Features an actual physical count of 44 teeth, adding extra top-end gearing range to fully match the explosive peak outputs of the 750x powertrain.
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170mm Forged Alloy Construction: Ultra-rigid arm architecture eliminates flex under deep standing pedal pressure while providing optimal clearance over trail rocks and roots.
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Integrated Protective Bash Guard: The dual-sided outer guard shields your chain from direct impact damage, limits chain drops on rough downhills, and keeps clothing clean.
Specifications
| Attribute | Specification |
| Component Type | E-Bike Single-Ring Crankset & Chainwheel Assembly |
| Model Designation | ProWheel Pioneer 170 Series |
| Color Profile | Custom Sport Accent Styling Finish |
| Crank Arm Length | 170 mm |
| True Gear Count | 44-Teeth (44T Mechanical Layout) |
| Guard Marking Note | Outer Guard Stamped 48T (Maximum Shell Capability Only) |
| Drivetrain Speed Match | Standard 7 / 8-Speed Chain Channels |
| Frame Compatibility | Fission Cycles FM 750x High-Output Series |





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