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Rotor Aldhu Direct Mount Crank Arms

C02-102-19010-0
₹18,900
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Modular Road Performance with Lightweight Alloy Construction

Overview

The Rotor Aldhu Direct Mount Crank Arms use a proprietary spline interface to connect the crank arms, axle and chainring. This modular construction simplifies assembly, servicing and component changes.

Aerospace-Grade Aluminium: Precision-machined from 7075-T6 aluminium, the crank arms combine low weight with high stiffness, hardness and steel-like strength. The corrosion-resistant material supports dependable long-term performance.

Efficient Power Transfer: The rigid direct-mount structure helps transfer pedalling effort efficiently during climbs, accelerations and sustained road riding. Its lightweight construction also supports a responsive crankset setup.

Flexible Chainring Compatibility: The modular Aldhu platform works with compatible Rotor Q Rings and round chainrings. Riders can select suitable chainring, axle and bottom bracket configurations according to their bicycle setup.

The Rotor Aldhu Direct Mount Crank Arms provide a lightweight, strong and adaptable foundation for a performance-focused road crankset.

Features
  • Efficient Power Transfer: Stiff aluminium construction supports responsive pedalling under load.
  • Modular Crankset Design: Separate arms, axle and chainring simplify setup and component replacement.
  • Easy Chainring Changes: Compatible direct-mount rings can be removed using a single fixing bolt.
  • Flexible Road Setup: Supports different axle and chainring combinations for varied bike standards.
  • Race-Inspired Construction: Developed as Rotor’s lightweight modular road crank platform.

Technologies

  • OCP Mount: Enables precise orientation adjustment when used with compatible Rotor Q Rings.

Specifications
  • Discipline: Road, Gravel, Cyclocross, Triathlon, Track
  • Compatible Chainrings: Rotor Direct Mount Q Rings and Round Rings
  • Bottom Bracket Compatibility: BSA30, ITA30, BB30, Press Fit 4630, UBB4630, BB386 and Press Fit 4130
  • Material: 7055 - T6 Aluminium
  • Crank Interface: Proprietary Splined Direct Mount
  • Spindle Diameter: 24 mm
  • Q-Factor: 147 mm (Standard Spindle) or 152 mm (Offset Spindle)
  • Chainline: 43.5 mm (Standard Spindle) or 46 mm (Offset Spindle)
  • Crank Length: 170 mm
  • Color: Black
  • Weight: 344 g

Shipping, Returns & Refunds

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.