CeramicSpeed OSPW RS Alpha for Shimano Dura – Ace 9250 & Ultegra 8150 – Team

Name: CeramicSpeed OSPW RS Alpha for Shimano Dura – Ace 9250 & Ultegra 8150 – Team
Brand: Epic Sports
Price: 75000.0 KES
Availability: OutOfStock

KSh75,000.00

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Currently sold out. Prefer something available now? The Shimano PD – RS500 Road SPD – SL Pedals is an available option from the same Components collection.

Product variants

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The CeramicSpeed OSPW RS Alpha is an oversized derailleur pulley system built to fit Shimano's Dura-Ace Di2 (RD-9250) and Ultegra Di2 (RD-8150) rear derailleurs, aimed at reducing drivetrain friction and improving shift precision.

It's hand-built in Denmark with ceramic bearings and a rigid composite cage, plus an Active Debris Shroud that physically shields the bearing seals from road grit and water.

Key Features

Active Debris ShroudA moving dust shield that guards the bearing seal faces from grit and moisture
Rigid composite cageFiber-reinforced polymer that resists flex under load for consistent shifting
Hand-built ceramic bearingsSilicon nitride balls on hardened steel tracks for lower friction
Alpha disc pulleysSolid disc design keeps debris from getting caught inside the pulleys

Specifications

Compatibility	Shimano Dura-Ace Di2 RD-9250, Ultegra Di2 RD-8150
Bearings	Hand-built CeramicSpeed silicon nitride
Cage Material	Fiber-reinforced injection-molded composite
Speed Compatibility	12-speed Shimano only
Lubrication	Pre-packed with CeramicSpeed pulley oil

Why Buy Local

A precision component like this is worth having locally available for warranty support and fitting advice rather than gambling on an overseas order. Genuine CeramicSpeed stock, already in Kenya, ready to ship the same day.

FAQ

What makes the RS Alpha better than older CeramicSpeed OSPW cages?

Earlier open-skeleton cages could catch road grit. The RS uses a closed, rigid composite structure, and the Alpha variant adds the Active Debris Shroud — a moving shield over the bearing face that keeps out water from washing or rain, extending service intervals.

Does this actually improve shifting?

Standard cages can flex slightly under load across a 12-speed cassette, causing a small delay. The stiffer composite cage here resists that flex, so the chain tracks more consistently under hard efforts.

Shipping & Delivery

Fast Delivery Across Kenya

Mombasa Orders: Delivered the same day.
Nairobi Orders: Delivered within 1 working day.
Countrywide (all other regions): Delivered within 1 working days.

Note: Please double-check your delivery address during checkout to prevent any fulfillment delays. Need help with your order? Reach out to our customer service team anytime.

Refunds

At Epic Sports, we want you to be completely satisfied with your purchase. If you are not happy with your order, we offer a hassle-free refund policy for eligible items returned within 3 days of delivery.

To initiate a return, please contact us. The item must be unused, in its original condition, and accompanied by proof of purchase. Once we receive and inspect the returned item, we will process your refund to your original payment method. Please note that shipping fees are non-refundable, and return shipping costs are the responsibility of the customer unless the item was defective or incorrect.

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