Rubber inner tube designed for electric bikes — reliable, easy to fit, and built to last. Key benefits - Better air retention: high-quality rubber construction improves airtightness so you spend less time inflating and more time riding. - Durable and heat-resistant: rubber material resists wear and heat buildup for longer service life under normal riding conditions. - Smoother, more comfortable ride: the tube helps absorb vibrations from uneven roads, reducing fatigue and improving ride comfort. - Quick roadside fixes: bent valve and simple installation let you replace a flat tube in minutes. What it is - Replacement inner tube made from rubber material. - Equipped with a bent (angled) valve for rims that require an angled valve stem. - Designed specifically as a replacement for electric bike tires. Compatibility and performance - Suitable for most electric bikes; fits standard electric bike wheel setups that accept bent valve inner tubes. - Provides reliable airtightness and good resistance to heat and wear under routine electric bike use. - Improves shock absorption compared with worn or damaged tubes, helping maintain steady tire pressure and ride quality. How it solves common problems - Flat tire on the commute: keep a spare on hand and swap the tube quickly to get back on the road with minimal delay. - Rough city streets or bumpy paths: the tube absorbs road vibration, making daily rides more comfortable. - Frequent stop-and-start or heavier electric-bike loads: heat-resistant, durable rubber stands up better to the demands of e-bike riding. Easy installation - Simple to install: remove the wheel, pull out the old tube, insert the new rubber inner tube with the bent valve into the tire, and re-seat the tire. Most replacements take only a few minutes. - Saves time and effort for routine maintenance and emergency repairs. Use scenarios - Daily commute: Replace a flat quickly before work and maintain steady tire pressure for a comfortable city ride. - Weekend rides on mixed surfaces: Better vibration absorption on uneven suburban paths and service roads. - On-the-road emergency repair: Bent valve and straightforward installation make it practical to carry a spare for roadside tube replacement. What you get - A rubber replacement inner tube for electric bikes with a bent valve — ready for use as a spare or direct replacement. If you need a durable, heat-resistant replacement tube that improves ride comfort and is quick to install, this rubber inner tube with a bent valve is a practical choice for most electric bikes.