Quick Summary
Magic Milk Hi-Fibre is a tubeless bike tyre sealant with an innovative valve cap for filling through Presta and Schrader valves. It is described as suitable for MTB, gravel, enduro and road tubeless setups, and it is stated to seal punctures up to 8 mm.
The sealant is also described as long-lasting, with liquid life of up to 6 months. If you are choosing between offers, check that you want the valve-cap filling system and the tubeless sealant format rather than a standard inner-tube repair product.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Tubeless bike tyre sealant for puncture sealing in tubeless systems. |
| Valve compatibility | Presta and Schrader valve cap. This matters if you want direct filling through your existing valve type. |
| Puncture sealing claim | Seals punctures up to 8 mm. |
| Stated longevity | Lasts up to 6 months before topping up may be needed. |
| Intended bike types | MTB, gravel, enduro and road tubeless setups are named. |
| Material and compatibility notes | Described as free from natural latex and corrosive additives, and stated to be compatible with CO₂ cartridges, tyre inserts and carbon rims. |
What to Compare Before Buying
- Valve type: This sealant uses a cap system for Presta and Schrader valves. Check that your wheel setup matches the filling method you want.
- Tyre system: It is for tubeless use. Compare this with whether your bike has a tubeless-ready wheel and tyre setup.
- Puncture size: The stated sealing limit is up to 8 mm, so compare that figure with the type of punctures you want it to handle.
- Maintenance interval: The stated liquid life is up to 6 months, which affects how often top-ups may be part of your routine.
What Else You May Need
A tubeless tyre and wheel setup is required for this type of sealant to be used as intended. If you plan to refill through the valve, make sure your wheel setup allows access for that filling method.
Before You Decide
Confirm the valve type, the tubeless setup, and whether the 8 mm puncture claim matches the level of protection you want. Also check whether the long-life sealant format suits how often you prefer to service your tyres.
