
The Story
Campagnolo FC20-CH12 Chorus 12 Speed Double Road Carbon Chainset (Black)
The Campagnolo Chorus 12-Speed Chainset is designed for high-performance road cycling, featuring unidirectional carbon fibre cranks, a steel Ultra-Torque axle, and aluminium chainrings. It ensures optimal power transmission, stiffness, and durability.
Key Features:
- Versatile Bolt Circle Diameter (123mm) β Compatible with 36/52, 34/50, and 32/48 chainrings.
- Ultra-Torque Steel Axle β Offers durability and efficiency.
- Unidirectional Carbon Fibre Cranks β Ensures lightweight & stiffness.
- Symmetrical Chainring Teeth β Smooth, precise shifting even under load.
- Double Fixing System β Secure assembly for enhanced stability.
- Surface-treated Chainrings β Improves longevity and wear resistance.
- Q Factor: 145.5mm β Maintains optimal pedal stroke biomechanics.
- Weight: 718g (172.5mm, 34/50T).
- Available in 170mm, 172.5mm, and 175mm crank lengths.
Technology:
- X.P.S.S.β’ (eXtreme Performance Shifting Systemβ’) β Ensures fast, precise shifting with a 25% improvement in derailing under load and 20% smoother gear transitions.
Perfect for competitive road cyclists who demand efficiency, reliability, and top-tier performance.Β

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Campagnolo FC20-CH12 Chorus 12 Speed Double Road Carbon Chainset (Black)
The Campagnolo Chorus 12-Speed Chainset is designed for high-performance road cycling, featuring unidirectional carbon fibre cranks, a steel Ultra-Torque axle, and aluminium chainrings. It ensures optimal power transmission, stiffness, and durability.
Key Features:
- Versatile Bolt Circle Diameter (123mm) β Compatible with 36/52, 34/50, and 32/48 chainrings.
- Ultra-Torque Steel Axle β Offers durability and efficiency.
- Unidirectional Carbon Fibre Cranks β Ensures lightweight & stiffness.
- Symmetrical Chainring Teeth β Smooth, precise shifting even under load.
- Double Fixing System β Secure assembly for enhanced stability.
- Surface-treated Chainrings β Improves longevity and wear resistance.
- Q Factor: 145.5mm β Maintains optimal pedal stroke biomechanics.
- Weight: 718g (172.5mm, 34/50T).
- Available in 170mm, 172.5mm, and 175mm crank lengths.
Technology:
- X.P.S.S.β’ (eXtreme Performance Shifting Systemβ’) β Ensures fast, precise shifting with a 25% improvement in derailing under load and 20% smoother gear transitions.
Perfect for competitive road cyclists who demand efficiency, reliability, and top-tier performance.Β













