Aerodynamic Oversized Pulley System for Maximum Speed
Description
Description
The CeramicSpeed OSPW Aero Pulley Wheel System is engineered to deliver the fastest, most efficient shifting performance ever created. Co-developed with aerodynamicist Simon Smart, it reduces friction by 40% compared to stock pulley systems, making it a true advantage for time trials and triathlons.
Wind-Tunnel Tested for Pure Speed: Shaped through extensive aerodynamic testing, the OSPW Aero minimizes drag while maximizing drivetrain efficiency. Its sculpted cage design channels airflow cleanly, helping riders conserve watts during high-speed efforts where marginal gains matter most.
Oversized Pulleys for Ultimate Efficiency: The system uses a 13-tooth upper and 19-tooth lower pulley, optimizing chain articulation and reducing mechanical resistance. Both pulleys are precision-crafted from aluminum and fitted with coated CeramicSpeed bearings for unmatched smoothness and longevity.
Engineered Compatibility and Easy Installation: Designed for Shimano DA9100/9150 and Ultegra R8000/8050 SS derailleurs, the OSPW Aero includes an integrated stop tower for straightforward mounting. It supports cassettes up to 32T and offers a lifetime warranty for lasting confidence on every ride.
Trusted by World Champion athletes, the OSPW Aero delivers elite performance in every condition. Each system includes a 15ml bottle of CeramicSpeed Pulley Wheel Oil for optimal bearing care.
Features
Features
Specifications
Specifications
Shipping Policy
Shipping Policy
We ship across India with free shipping on orders above ₹2,000 (₹99 for orders below ₹2,000). Cash on Delivery is available up to ₹20,000, with additional COD fees based on order value. Orders typically arrive within 3–6 working days, though delays may occur.
Note: Most Shimano products may take longer to ship. View full shipping policy
Returns & Refunds
Returns & Refunds
Here's a quick overview of our return and refund policy:
- 7-Day Return Window: You can initiate a return within 7 days of receiving your product.
- Eligibility: Items must be unused, in original condition, with all tags and packaging. Only select items like apparel (helmets, jerseys, gloves, etc.) are eligible.
- Non-Returnable Items: Wetsuits and items discounted over 5% are not eligible for returns.
- Compatibility Issues: Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. If you're unsure, please contact us before ordering.
- Shipping & Processing: Return shipping is to be arranged by the customer. No pickups available.
- Refund Options: Choose between exchange, store credit, or monetary refund (after deductions for shipping and transaction fees).
- Order Cancellations: Only possible before the order is processed.
For full details, visit our Return & Refund Policy page.

