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- USA
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
CeramicSpeed OSPW Pulley Wheel Aero System for Shimano 9200/9250 and 8100/8150 - Coated Races, Alloy Pulley, Carbon Cage, BlackCeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists. The development process behind the OSPW Aero spanned over two years, where extensive wind tunnel testing influenced multiple design iterations. The end result is an entirely new cage structure wrapped around our existing mechanically optimized design. Locally reduces drag by an average of 40% compared to stock derailleurs
CeramicSpeed's OSPW Aero system has been developed in close collaboration with one of the world's leading aerodynamicists. The development process behind the OSPW Aero spanned over two years, where extensive wind tunnel testing influenced multiple design iterations. The end result is an entirely new cage structure wrapped around our existing mechanically optimized design.- Locally reduces drag by an average of 40% compared to stock derailleurs
- Developed in coordination with Drag2Zero
- Refines aerodynamics by focusing on frontal area impact, as well as smoothing and controlling the trailing wind
- 13-tooth upper and 19-tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls
- Robust cage crafted from polyamide and carbon fiber for durability and light weight
- Coated bearing races increase bearing service life by increasing hardness of race and reducing corrosion
- Compatible with Dura Ace 9200 and Ultegra 8100 series (Fits 11-30 and 11-34 Shimano 12spd Cassette options)
- Four spring tension settings allow customized setup based on ride conditions
- CeramicSpeed products with coated bearings include a lifetime warranty
Product Specifics
- Defined Color: Black
- Drivetrain Speeds: 12
- Fits Brand: Shimano
- Fits Model: Dura-Ace R9200 Series
- Fits Model: Ultegra 8100 Series
- Largest Cog: 34
- Shifter/Derailleur Compatibility: Shimano
- keyword search: OSPWS Aero
Today's Stock Status
Currently not available
UPC: Not available
EAN: 5711050102969
Manufacturer Part Number: 110909
DP0196
183903-Q0-L
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1545 reviews
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Product Reviews
★★★★★ 4
Husband loves socks
Number of Items: 6, Color: Black (6-pairs), Size: Large
Socks are very comfortable and soft. He got rid of the other ones he had! Also, it was a great price.
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Reviewed in the United States on January 9, 2024
★★★★★ 5
Good product
Number of Items: 6, Color: Black (6-pairs), Size: Large
Good fit, item as advertised!
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Great socks
Number of Items: 6, Color: Black (6-pairs), Size: Medium
I love these socks
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Good socks
Number of Items: 6, Color: White (6-pairs), Size: X-Large
I have size 13 feet and these are great maybe they’ll stretch and be a bit big but I m fine with that
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Well made socks
Number of Items: 6, Color: Black (6-pairs), Size: X-Large
Made well. Bought for my Son. He only likes Under Armour brand of socks. Only socks he buys.
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Reviewed in the United States on April 21, 2026