Far more airtight than latex inner tubes, Butyl tubes won't require you to reach for your pump before every ride. Michelin Aircomp Butyl Ultralight tubes weigh just 80 grams and offer confidence-inspiring durability on the open highway. These also come in three valve stem lengths--40mm, 52mm, or 60mm.
- Size: 700 c, x 18 / 23 mm
- Valve Type: 40 mm, 52 mm, 60 mm
- Claimed Weight: 70 g
- Recommended Use: road cycling, racing
- Manufacturer Warranty: limited