CYBREI GP-3 MONO: the STONE carbon crankset with a single chainring
With the CYBREI GP-3 MONO , we offer a gravel-ready crankset. This crankset combines CYBREI's high-modulus T1000 carbon cranks , renowned for their record-breaking stiffness (101.5 N/mm for only 320 g), with a STONE Direct Mount single chainring (Easton Cinch) . CNC-machined from 7075-T651 aircraft-grade aluminum, it ensures smooth pedaling, optimal stiffness, and excellent chain retention. Whether on gravel or road, the GP-3 MONO is designed to devour the miles with the precision of professional equipment.
Technical advantages
- Complete single chainring crankset: CYBREI GP-3 + STONE Direct Mount chainring
- Lightweight carbon: 320g (cranks only) + CNC aluminum chainring
- Maximum stiffness: 101.5 N/mm, 40% above the EN14781 standard
- Optimal chain retention: narrow-wide teeth to reduce noise and prevent derailment
- Versatility for road and gravel: chainring sizes from 40 to 50 teeth
Compatibility
The STONE chainring in Easton Cinch standard is perfectly suited to CYBREI GP-3 and Easton EC90/EC90SL cranksets. No spider is needed; installation is direct and optimized.
To remove your CYBREI cranks, use the CYBREI crank tool with the ISIS standard.
Technical Specifications
| Specification | Detail |
|---|---|
| Crank material | High modulus T1000 carbon |
| Crank weights | 320g (SRAM DUB) / 335g (Shimano) |
| Tray included | STONE Direct Mount mono (Easton Cinch) |
| Tray size | 40T, 42T, 44T, 46T, 48T, 50T |
| Speed compatibility | 9 / 10 / 11 / 12 / 13 speeds |
| Tray material | CNC machined 7075-T651 aluminum |
| Chainline | 46 mm |
| CNC precision | 0.03 mm |
| Chain line | 44.5 mm (cranks) |
| Q-Factor | 148 mm |
CYKL Team Advice
Looking for a pure gravel setup? Opt for a 40 or 42-tooth chainring. For minimalist and responsive road riding, choose a 48 or 50-tooth chainring.