absoluteBLACK Integrated Top Cap & Bolt bottles Individually cured for consistent tube

Individually cured for consistent tube thickness = the utmost in quality

to reduce environmental impact with no reduction in performance

• BOA® Fit System & strap for micro-adjustment

The Diverge 4 gravel bike in E5 Alloy is built for full-gas race days and off-grid epics

Volume-per-stroke: 60cc

absoluteBLACK Integrated Top Cap & Bolt bottles Individually cured for consistent tubeIt's probably the best top cap you will ever have. One piece, bolt & topcap with Allen (hex) 5mm socket. Will fit to every standard starnut. Not suitable for "expanding" star nuts with the steel coil spring (used in carbon steerer). However, it is compatible with ENVE Compression Plug (recommended for carbon steerers). Troubleshooting If your top cap sits from an angle on the stem (does not touch stem with whole circumference), it means your starnut