2 zwarte banden 28 x 1,50 (40-622) + binnenbanden voor stadsfiets trekkingfiets inch 700 38C

2 tyres + 2 air chambers 28 x 1.50 | 700 x 38C (40-635) for city bike trekking bike The tire consists of four basic elements: carcass (frame), tires for stable positioning on the rim, tread (mixture) made of rubber, puncture protection (except for special ultra-light sports where this characteristic is deliberately eliminated). The inner tubes are made of butyl, a synthetic rubber, which is very elastic and at the same time airtight. Depending on the mixtures used, there may be different product qualities: the Ecovelò inner tubes have extreme airtightness and elasticity properties and can be used for a variety of tire sizes. Ecovelò inner tubes have extreme airtightness and elasticity and can be used for a variety of tyre sizes. For any type of information or explanation before purchase or post-shipment problems (late delivery, defects or damage after shipment, etc.) please contact the seller's customer service with a message to the seller on Amazon.