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CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK

Regular price $629.00 USD
Regular price $629.00 USD Sale price $629.00 USD
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We’re a mission-driven bike shop based in Colorado. Every sale helps refurbish and donate bikes to those in need through Bicycles for Humanity Colorado.

Each item has been professionally inspected, thoroughly cleaned, carefully refurbished, and is ready for immediate use.

CeramicSpeed OSPW X Pulley Wheel System Shimano GRX RX820 2x12 - Aluminum Pulley Carbon Cage BLK

Built for gravel and cross disciplines, this OSPW X system reduces drivetrain drag and smooths shifting on rough roads. The carbon cage and low-friction pulleys deliver a cleaner chain wrap and improved longevity, while four spring tension settings let you tune performance for muddy, dusty, or fast sections.

Who is this for?

Gravel riders and adventure cyclists who demand reliable, long-lasting performance from their RX820 2x12 setup. If you value consistent shifting, lower maintenance, and the confidence to push hard on mixed terrain, this system is for you. Ideal for riders upgrading stock pulleys to maximize efficiency on long rides and races.

specifications details
Largest Cog 36
Fits Model GRX RX820 2x12
Fits Brand Shimano
Drivetrain Speeds 12
Defined Color Black
Feature Aluminum Pulley Carbon Cage

Each item is professionally packed and shipped next day. Select in-store pick-up at checkout and visit us if you are local!


Largest Cog 36
Fits Model GRX RX820 2x12
Fits Brand Shimano
Drivetrain Speeds 12
Defined Color Black
Feature Aluminum Pulley Carbon Cage
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