Praxis Works Type 1 E-Bike Crank Arms
Power Meter City August 15, 2025$93.50 – $150.00Price range: $93.50 through $150.00
Praxis road, MTB and gravel e-bike crank arms for Bosch, Giant and Yamaha motors
A 10% Tariff Surcharge applies to this product, as required by the manufacturer. To keep things simple, this amount is already included in the listed price—no surprise at checkout.
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Praxis Works Type 1 E-Bike Crank Arms
The Praxis Works Type 1 E-Bike Crank Arms are MTB, road and gravel crank arms made for Bosch CX, Bosch SX, Giant SyncDrivePro and Yamaha PW-X motors. Each of these use a steel ISIS splined spindle. They are available in aluminum, heavy duty aluminum and carbon. The lightweight carbon cranks help keep weight to a minimum while the heavy duty aluminum maximizes durability.
Key Product Details
Compatibility:
The Praxis Type 1 E-Bike Crank Arms are designed for Praxis Type 1 e-bike motors including Bosch, Giant and Yamaha. See Compatibility tab for more information.
Key Features:
Wide variety of crank lengths, multiple material types, Praxis 3-Bolt Direct Mount interface and 2-year warranty. See Specs tab for more information.
Advice From Our Staff:
These Praxis e-bike crank arms are great for riders looking to change crank lengths and/or upgrade their current crank arms. Because Praxis makes a variety of crank lengths, you can select the ones that best match your fit. The carbon fiber crank arms also provide an excellent way to save weight when compared to OE e-bike crank arms.
Other Versions to Consider
Praxis Works Specialized Turbo-ISIS E-Bike Crank Arms: We also sell the Praxis Specialized Turbo-ISIS E-Bike Crank Arms which are made for bikes using the Specialized Turbo e-bike motor.
Praxis Works Specialized SL 1.1 E-Bike Crank Arms: If you are riding a bike with the Specialized SL 1.1 e-bike motor, we also offer the Praxis Specialized SL 1.1 E-Bike Crank Arms.
Compatibility
- Motor: These crank arms fit Bosch CX BDU37, Bosch SX BDU31, Giant SyncDrivePro and Yamaha PW-X motors
- Spindle: Compatible with Steel ISIS Splined spindles
- Chainrings: These crank arms use a 3-bolt chainring interface
Praxis Type 1 E-Bike Crankset Specs
- Interface: Praxis 3-Bolt Direct Mount
- Crank Arm Material: Aluminum | Heavy Duty Aluminum | Carbon fiber
- Spindle: ISIS
- Chainrings: 1x
- Q-Factor: 170 mm - Giant and Yamaha motors | 180 mm - Bosch motors
- Weight: 485 grams - Aluminum | 558 grams - HD Aluminum | 380 grams - Carbon Fiber
- Warranty: 2 years
Tools Needed for Installation
You will need the following tools for installation of this product. You can shop for the required tools on our Tools Page.
- 8 mm Allen key
Q&A
Have a question about this? Ask the staff.
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