Cloudboom Strike 2
Cloudboom Strike 2 is the second-generation road racer built for half-marathon through marathon distances. It replaces the earlier platform with CloudTec Sphere and sandwiches a lighter, stiffer curved Carbon Speedboard between two layers of Helion HF; the updated foam is 15% lighter than before. An open-weave upper manages airflow, while a high-grip rubber outsole supports control through long road races.
- Intended uses:
- Race, Marathon
Specs
- Weight
- 191g
- Of 844 known values: 40 lower, 2 equal, 802 higher. The marker uses the midpoint of equal values.
- lighterLower 5%, including ties / average -76g
- Drop
- 5mm
- Of 846 known values: 127 lower, 99 equal, 620 higher. The marker uses the midpoint of equal values.
- lowerLower 26.7%, including ties / average -1.8mm
- Stack height (heel/forefoot)
- 39 / 34mm
- Of 709 known values: 527 lower, 34 equal, 148 higher. The marker uses the midpoint of equal values.
- higherUpper 25.7%, including ties / average +4.4mm
- Carbon plate
- Yes
- 17% of 796 known models have carbon plates
- Midsole
- CloudTec Sphere / Helion HF
- Outsole
- rubber
- Reference price
- $250
- US price
Weight measurement and plate details
- Weight note
- Official On tech sheet lists 191g.
- Plate note
- Official On tech sheet describes a curved carbon Speedboard sandwiched between layers of dual-density Helion HF foam.
Prices and release dates by market
6 markets are registered. Values are shown as published for each market: no currency conversion and no guessed days or months. Reference prices are not current shop prices.
| Market | Reference price | Release |
|---|---|---|
| United StatesUS | $250Shown above | Not registered |
| Global | Not registered | 2026-07-30Shown above |
| JapanJP | ¥35,200 | Not registered |
| EU | 250 EUR | Not registered |
| United KingdomUK | 230 GBP | Not registered |
| SwitzerlandCH | 300 CHF | Not registered |
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Changes from the previous model
A comparison with the registered values for On Cloudboom Strike.
In the registered data, weight is 19g lighter at 191g, drop is 1mm higher at 5mm, heel stack is 0.5mm lower at 39mm, and forefoot stack is 1.5mm lower at 34mm.
These are differences between registered values, not a controlled comparison at the same size and measurement conditions. See the notes below the specs for weight conditions.
Compare within the database
See where these specs sit in the overall distribution. You can also compare within the same category.
Comparison: All data (907 shoes)
Position map
Weight x stack height
registered average: 266g / 34.6mm (700 shoes)
The scatter plot includes only shoes with both weight and stack height registered.
Spec distributions
Weight
This shoe 191g·registered average 267g (844 shoes)
Drop
This shoe 5mm·registered average 6.8mm (846 shoes)
Stack height
This shoe 39mm·registered average 34.6mm (709 shoes)
Items with missing numeric values are excluded. Sample sizes and measurement conditions vary between models; this distribution is not a performance ranking.