HEX Rear Hub 10x135 Adapter Chronograph The Siren fuses eye-catching design

The Siren fuses eye-catching design with an up-for-anything attitude

This favorite training tool of two-time world champion surfer John John Florence features multiple timer options

square frame for consistent everyday wearability

making it both stylish and comfortable for everyday wear

Just real-world color

HEX Rear Hub 10x135 Adapter Chronograph The Siren fuses eye-catching designHEX Rear Hub 10x135 Adapter Adapts HEX J Type 135 142 and Gravel Rear Hubs to 10x135. Compatible with: Compatible with HEX J Type 135 142 and Gravel Rear Wheels XD and HG Freehub Bodies Not compatible with: HEX Straightpull Boost or J Type Boost Rear Wheels HEX J Type 150 157 Rear Wheels SPIKE OOZY SPOON hubs