Columbus Compass 1 1/4" headset
Product Description
Compass 1 1/4" Cylindrical headset by Columbus for versatile cycling disciplines
The Compass 1 1/4" Cylindrical headset from Columbus is designed for a wide range of applications including Track, Cyclocross, Gravel, Road, City & Touring, and Triathlon & Time Trial. This semi-integrated (ZS) headset fits head tubes with a tapered 1 1/8" to 1 1/4" dimension and features a robust bearing seat angled at 45° x 45°. With an upper inner diameter of 28.6 mm and a lower inner diameter of 33 mm, it ensures precise steering and smooth handling. The external cup (EC) design and matching upper and lower outer diameters of 44 mm provide a secure fit. Stack heights of 10.10 mm on top and 13.00 mm on the bottom contribute to the headset’s stability and performance. The lower bearing cup size is 1 1/4", while the upper bearing cup is 1 1/8". This headset is built to fit tapered fork steerers from 1 1/8" to 1 1/4", making it a reliable choice for enhancing your bike’s front-end control. If you want to upgrade your ride with a durable and versatile headset, this model offers solid compatibility and quality.
Product Specifications:
- Upper Outer Diameter:
- 44 mm
- Upper Inner Diameter:
- 28,6 mm
- Lower bearing cup:
- 1 1/4"
- Headset Design:
- External Cup (EC), Semi-Integrated (ZS)
- Application:
- Track, Cyclocross, Gravel, Road, City & Touring, Triathlon & Time Trial
- Lower Inner Diameter:
- 33 mm
- Upper Bearing Cup:
- 1 1/8"
- Lower Outer Diameter:
- 44 mm
- Fork Steerer:
- 1 1/8" - 1 1/4" tapered
- Head Tube:
- 1 1/8" - 1 1/4" tapered
Technical Information:
- Bearing Seat:
- 45° x 45°
- Stack Height Top:
- 10.1 mm
- Stack Height Bottom:
- 13 mm
universal | ZS44/28,6 - EC44/33:
- Headset:
- ZS44/28,6 - EC44/33
Product Features:
- Durable Compass 1 1/4" cylindrical headset designed for versatile use in track, cyclocross, gravel, road, city, touring, triathlon, and time trial bikes
- Semi-integrated (ZS) headset design with external cup (EC) for secure and stable frame integration
- Tapered head tube compatibility (1 1/8" to 1 1/4") ensures smooth steering and enhanced handling performance
- High-quality bearing seat with 45° x 45° angle for precise and reliable bearing fitment
- Optimized stack heights (top: 10.10 mm, bottom: 13.00 mm) for balanced headset assembly and improved front-end stiffness
Manufacturer Number:
- universal | ZS44/28,6 - EC44/33: 3SALA2S44
Contents:
- 1 × Columbus Compass 1 1/4" headset
Manufacturer:
Via G. Di Vittorio 21
20049 Caleppio Di Settela
Italy
info@cinelli-milano.com

