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Inner tube 16x2.125 (57-305) 0x90° valve
● 16x2.125 inner tube — ETRTO 57-305 — 0x90° angled valve
● Sold individually
● Check the valve angle before ordering: a 0x90° will not replace a straight valve
● Brand: Wattiz — SKU CA-17 — EAN 3760351011250
● Same-day dispatch on orders placed before 2pm Paris time
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EXTRA INFORMATION
Size
16x2.125 inner tube, ETRTO 57-305: 57 mm wide, 305 mm rim diameter. This size fits electric unicycles, balance bikes and children's bikes.
Beware of the two meanings of 16 inch
The 16 inch designation covers two rim diameters: 305 mm and 349 mm. The 305 mm is used on electric unicycles, balance bikes and BMX; the 349 mm on folding bikes such as Brompton. The two are not interchangeable.
That is what the ETRTO code is for: 57-305 removes the ambiguity that "16 inch" leaves open.
0x90° valve
The valve is straight on its first segment and angled at 90 degrees on the second. This angle gives access to the valve from the side of the rim, where a straight valve would be hidden.
The angle is dictated by the rim and mudguard geometry. Check the one on the original tube before ordering: this is the leading cause of error on this product family.
Fitting
Sold individually. Inflate the tube slightly before inserting it into the tyre to avoid folds, and make sure it is not pinched between the bead and the rim before bringing it up to pressure.
DETAILS
FEATURES
| Type of vehicle | Electric unicycle |
|---|---|
| Department | Inner Tubes |
| Brand and Model | Inmotion V8/V8S/V8F Inmotion V10/V10F Moovway B16 Urbanglide E-Bike 160 Yeep.me 1600 |
| Category | Inner Tubes |
| Inner tube size (inches) | 16 inches |
| Inner tube size | 16x2.125 |
| Valve type | Valve 0 X 90° |
