Tacx Shiva 750ml vs Topeak Modula Java Cage
Comparison 2026 — Water Bottles
VS
Our verdict
Based on our weighted scoring, the Topeak Modula Java Cage edges out the Tacx Shiva 750ml with an overall score of 78/100 against 70/100. It scores particularly well on insulation (60/100) and fit (92/100), making it the better all-round pick in Water Bottles.
The Tacx Shiva 750ml remains a sensible alternative if price is your main concern — it lands at €5.00 versus €12.00.
Insulation winner
Topeak Modula Java Cage
15% higher than its rival
Value winner
Tacx Shiva 750ml
13% better value for money
Specifications
| Specification | Tacx Shiva 750ml | Topeak Modula Java Cage |
|---|---|---|
| Price | €5.00+140% | €12.00 |
| Rating | ★4.4 (4,800) | ★4.5 (1,900) |
| Overall | 70/100 | 78/100+11% |
| Bottle | ||
| Volume | 750 ml | — |
| Material | BPA-free LDPE | — |
| Insulation | Geen | — |
| Weight | 70 g | — |
| Compatibility | ||
| Diameter | 74 mm | — |
| Dishwasher | Ja | — |
| Mounting | — | Standaard 64 mm bidonbouten |
| Cage | ||
| Diameter range | — | 70-92 mm |
| Material | — | Engineering plastic |
| Weight | — | 45 g |
Pros and cons
Tacx Shiva 750ml
Pros
- Unbeatable price (€5)
- 750 ml capacity — more than many rivals
- BPA-free, dishwasher safe
- Fits any standard 74 mm bottle cage
Cons
- No insulation — water warms in 30 min at 25°C
- Standard push-pull cap leaks more than a Jet Valve
Topeak Modula Java Cage
Pros
- Adjustable 70-92 mm — fits sport bottle, coffee cup or thermos
- Engineered plastic stays stiff for years
- Fits any frame with standard cage bosses
- Cheap for the flexibility
Cons
- Slightly heavier (45 g) than fixed race cages
- Plastic grips less firmly than carbon side-pull