CeramicSpeed OSPW RS 5-Spoke Pulley Wheel for shimano 7150

Low-Friction Ceramic Bearings with Reinforced Cage

Oversized Pulley Design
CeramicSpeed Bearings
Reinforced Cage Construction

₹51,750

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Color: Black

CeramicSpeed OSPW RS 5-Spoke Pulley Wheel for shimano 7150, Black

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The CeramicSpeed OSPW RS 5-Spoke Pulley Wheel System is an oversized rear derailleur cage upgrade developed for Shimano 105 road drivetrains. It combines low-friction ceramic bearings, aluminium pulley wheels and a reinforced cage to improve drivetrain efficiency while providing a distinctive, angular appearance. The system is designed for road cycling and triathlon applications where efficient power transfer and reliable shifting are important.

Efficient Drivetrain. The oversized pulley arrangement reduces chain articulation around the rear derailleur, helping minimise friction compared with conventional smaller pulley wheels. Hand-built CeramicSpeed bearings support smooth pulley rotation, while the aluminium pulleys provide a durable construction for regular training and competitive riding.

Reinforced Construction. The redesigned cage improves structural strength and incorporates adjustable spring tension settings to help optimise drivetrain operation. Its updated architecture balances mechanical durability with an integrated appearance on modern road groupsets. The complete system replaces the original derailleur cage and is designed specifically for compatible Shimano 105 rear derailleurs.

Specifications

Model	OSPW RS 5-Spoke
Product Type	Oversized Pulley Wheel System
Recommended Use	Road Cycling and Triathlon
Compatible Derailleurs	Shimano 105 RD-R7150 Di2, RD-R7100 Mechanical
Drivetrain Compatibility	Shimano 105 12-Speed
Pulley Design	5-Spoke
Pulley Material	Aluminium

Upper Pulley	13 Teeth
Lower Pulley	19 Teeth
Bearing Type	CeramicSpeed Ceramic Bearings
Cage Material	Carbon Fibre-Reinforced Polyamide
Spring Tension	Adjustable
Color	Black
Weight	85 g

Features

Oversized Pulley Design: Reduces chain articulation and helps minimise drivetrain friction.
CeramicSpeed Bearings: Hand-built ceramic bearings support smooth, low-friction pulley rotation.
Reinforced Cage Construction: Redesigned cage improves strength and durability during regular cycling.
Adjustable Spring Tension: Allows spring tension to be configured for the drivetrain setup.
Five-Spoke Aluminium Pulleys: Combine durable construction with a distinctive open-spoke design.

Warranty and support

Covered by the manufacturer's warranty. Warranty claims go through us and we deal with the brand for you.

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Shipping and returns

We ship across India. Shipping is free on orders above ₹2,000 and ₹99 below that. Cash on delivery is available on orders up to ₹20,000, with a COD charge that depends on the order value. For a delivery estimate, enter your pincode in the box above the add-to-cart button: it shows the courier's own estimate for your address, not a promised date. If a parcel is held up we chase the courier until it is delivered. Full shipping policy

Returns can be started within 7 days of delivery on unused items in their original condition with all tags and packaging. Apparel, helmets, gloves and similar items are returnable; wetsuits and products discounted by more than 5% are not. Compatibility questions are not grounds for a return unless our listing was wrong, so ask us before you order if you are unsure. Return shipping is arranged by you; on an accepted return you can choose an exchange, store credit or a refund after shipping and transaction charges. Orders can be cancelled only until they are processed. Full return and refund policy