Bicycle Inner Tubes

Butyl & Natural Rubber
We supply bicycle inner tubes in butyl rubber and natural rubber, from 12-inch kids' bikes up to 29-inch wheels, plus 700C (sizes on request). Sizes and widths follow the 2026 ZENYARE catalogues; the valve type is confirmed per size.
Butyl RubberNatural RubberA/V · F/V · D/V12″–29″ · 700CMOQ 2,000/size
Key features
- Butyl and natural rubber tubes
- Widths from the catalogue: 1.75 (42 mm), 2.125 (52 mm), 1 3/8 (36 mm), 3.0 (69 mm) and more
- Valve options include A/V (Schrader), F/V (Presta) and D/V (Dunlop); valve per size confirmed in the quotation
- Packed in bags or cartons; for custom packing, ask us and we check with the factory
- MOQ 2,000 pieces per size; lead time 20–30 days; 30% deposit, balance before shipment
Specifications
| Size series | Wheel sizes | Width |
|---|---|---|
| × 1.75 | 12, 14, 16, 18, 20, 22, 24, 26 | 42 mm |
| × 2.125 | 12, 14, 16, 20, 22, 24, 26 | 52 mm |
| × 1 3/8 | 20, 22, 24, 26, 27 | 36 mm |
| 27 × 1 1/4 | 27 | 31 mm |
| 28 × 1 1/2 | 28 | 39 mm |
| × 3.0 | 16, 20, 24, 26 | 69 mm |
| Also listed (A/V) | 16×2.50/2.70, 16×3.00, 18×2.125, 18×2.5, 27×2.125, 28×2.125, 29×2.125 (also F/V) | — |
Partial list from the 2026 ZENYARE catalogues. Butyl or natural rubber and the valve type are confirmed per size in the quotation. 700C tubes are also available; 700C sizes on request.