INGRID RD1 Rear Derailleur - Silver POC The Zefal Arctica thermal bottle

The Zefal Arctica thermal bottle is in a new version with a revamped design

hang it in place with good airflow

The branded FINGERSCROSSED rivet on the left sock is nickel free

Battery type : Lithium Polymer

Marking a significant leap in track wheel technology

INGRID RD1 Rear Derailleur - Silver POC The Zefal Arctica thermal bottleWe started this project in 2017 and step by step we reached the target right now after 4 years, changing all the parts at least 10 time each. Thinking about electronics, about mech, about both. But definetly we understood we got the mech. Fully cnc about 7075 and fully added, mean 3D printed about PA12. Any part replaceble as spare and really widely compatible. You can drive it with 11s or 12s shifters for drop bar and flat bar, Campagnolo, Sram,