TETHYS crankset, 170 mm, Q-factor: 16, for ISIS standard

Unlock seamless power transfer and smooth pedaling on every ride.

You need a crankset that matches your e-bike’s performance without compromise. The TETHYS crankset delivers precise compatibility with ISIS-standard bottom brackets, ensuring you get reliable, efficient power delivery. Designed to fit a range of Bosch motor systems, it lets you maintain your bike’s integrity while upgrading your drivetrain. With a 170 mm crank arm length and Q-factor of 16, you benefit from optimized ergonomics that reduce fatigue and enhance control on urban streets or rugged trails.

Key Features

Built for riders who demand consistency and durability, the TETHYS crankset features robust construction tailored for Bosch Classic+, Active, Performance, and Cargo Line systems. Its design supports smooth integration with multiple motor variants, while the option to order M12 bolts separately for Classic+ Line models adds flexibility. The crankset’s precise engineering ensures minimal maintenance and long-lasting performance, making it a reliable choice for daily commuters and adventure seekers alike.

Technical Specifications

• Crank arm length: 170 mm
• Q-factor: 16
• Compatible with ISIS-standard bottom brackets
• Supports Classic+ Line (M12 bolts sold separately, art.: 2100706)
• Compatible with Active Line (BDU2XX)
• Compatible with Performance Line CX (BDU2XX, BDU450CX, BDU31YY)
• Compatible with Cargo Line Cruise (BDU450CX) and Cargo Line Speed (BDU490P)

Frequently Asked Questions