Quick Summary
The Continental 2 x MTB 27.5 inner tubes are for mountain bike tyres and use a Presta valve. The pack contains 2 tubes, and the stated size is 27.5 x 1.75 – 2.5, with ETRTO 47/584 and a 40 mm valve.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Continental. |
| Product type | Inner tubes for mountain bike tyres. |
| Pack quantity | 2 tubes, so the pack suits buyers replacing more than one tube or keeping a spare. |
| Valve type | Presta valve, with a stated 40 mm length. |
| Size | 27.5 x 1.75 – 2.5. |
| ETRTO size | 47/584. |
| Colour/material | Butyl construction is stated. |
What to Compare Before Buying
- Wheel size: Check that your wheel and tyre setup matches 27.5 or 650B.
- Valve type: Confirm that your rim and pump are set up for a Presta valve.
- Tyre width: Compare the stated 27.5 x 1.75 – 2.5 range with your tyre size.
- Pack quantity: This pack includes 2 tubes, so make sure that matches what you need.
Before You Decide
Confirm the 27.5 / 650B size, Presta valve and 40 mm valve length before choosing an offer. The pack contains 2 tubes, so it suits a two-tube replacement or a spare to keep on hand.






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