Key considerations
- Insulation is modest — not a vacuum bottle
- Stiff squeeze
- 21 oz fits most cages; 24 oz version is taller
- Needs a cage; many e-bikes lack bosses
Pros
- Keeps water cool for short rides
- Self-sealing valve
- Dishwasher safe
- Cheap
Considerations
- Not for all-day cold
- Stiffer than non-insulated


