How To: Fix a Flat Bike Tire
Flat? Fixed. Our simple how-to video will show you how to get back on two wheels in no time flat.
More options
All your favorites, all in one place
Get all your favorite apparel from over 80 of the world's best cycling brands delivered right to your doorstep or local Trek retailer when you shop our curated online collection. If you're not 100% satisfied, you can return your purchase within 30 days for a full refund.
Shop all gearProduct features
30-Day Unconditional Guarantee
If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.
Learn more| Size | 20" x 1.25-1.5", 48mm | 24" x 7/8-1.0", 48mm | 26" x 1.25-1.75", 48mm | 26" x 1.75-2.125", 33mm | 26" x 1.75-2.125", 48mm | 24" x 1.75-2.125", 48mm | 29" x 1.75-2.125", 48mm | 26" x 2.0-2.4", 48mm | 26" x 2.5-2.8", 48mm | 27.5" x 2.0-2.4", 48mm | 27.5" x 2.2-2.5", 48mm | 29" x 2.0-2.4", 48mm | 650C x 18-25mm, 48mm | 700C x 18-25mm, 33mm | 700C x 20-28mm, 48mm | 700C x 20-28mm, 60mm | 700C x 20-28mm, 80mm | 700C x 28-32mm, 36mm | 700C x 28-32mm, 48mm | 700C x 28-32mm, 80mm | 700C x 35-44mm, 33mm | 700C x 35-44mm, 48mm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diameter | 20" | 24" | 26" | 26" | 26" | 24" | 29" | 26" | 26" | 27.5" | 27.5" | 29" | 650C | 700C | 700C | 700C | 700C | 700C | 700C | 700C | 700C | 700C |
| Width | 1.25-1.5" | 7/8-1.0" | 1.25-1.75" | 1.75-2.125" | 1.75-2.125" | 1.75-2.125" | 1.75-2.125" | 2.0-2.4" | 2.5-2.8" | 2.0-2.4" | 2.2-2.5" | 2.0-2.4" | 18-25mm | 18-25mm | 20-28mm | 20-28mm | 20-28mm | 28-32mm | 28-32mm | 28-32mm | 35-44mm | 35-44mm |
| Length | 48mm | 48mm | 48mm | 33mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 48mm | 33mm | 48mm | 60mm | 80mm | 36mm | 48mm | 80mm | 33mm | 48mm |
| Valve | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta | Presta |
| ETRTO | 32/38-406 | 22/25-507 | 32/47-559 | 47/57-559 | 47/57-559 | 44/54-507 | 44/54-622 | 50/61-559 | 64/71-559 | 51/61-584 | 56/64-584 | 51/61-622 | 18/25-571 | 18/25-622 | 20/28-622 | 20/28-622 | 20/28-622 | 28/32-622 | 28/32-622 | 28/32-622 | 35/44-622 | 35/44-622 |
| Material | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl | Butyl |
| Weight | 90g | 90g | 175g | 200g | 200g | 155g | 220g | 245g | 265g | 225g | 313g | 235.55g | 95g | 115g | 115g | 115g | 120g | 130g | 130g | 130g | 170g | 140g |