The 70/100-17 inner tube is a common size for dirt bikes, pit bikes, and some scooters with 17-inch rims. This guide highlights five reliable options, detailing fit, durability, and best-use scenarios. The top picks are selected for riders seeking heavy-duty performance, puncture resistance, and compatibility with popular brands. Whether you ride off-road, on motocross tracks, or casual trails, these tubes are alternatives to standard stock tubes. The buyer-friendly table below compares core specs to help you choose quickly.
| Product | Brand | Best For | Valve | Notes |
|---|---|---|---|---|
| AR-PRO 1-Pack 70/100-17 | AR-PRO | General dirt bikes and pit bikes, 110cc-140cc | TR4 Straight | Universal fit; 2.50/2.75-17 tires |
| PivotRAX 2-Pack 70/100-17 | PIVOTRAX | Premium puncture resistance; longer life | TR4 | 2mm reinforced butyl rubber |
| TUSK 2mm Heavy Duty 70/100-17 | TUSK | Rough terrain and off-road riding | TR4 | Natural/Butyl blend options |
| GICOOL 2-Pack 70/100-17 | GICOOL | Budget-conscious riders needing reliability | TR4 | Premium natural rubber, airtight |
| AR-PRO 2-Pack 2.50/2.75-17 | AR-PRO | Versatile replacement for multiple dirt bikes | TR4 | 2.50/2.75-17 compatibility |
AR-PRO 1-Pack 70/100-17 Dirt Bike Inner Tube
Best for: riders with 70/100-17 or 2.50/2.75-17 tires seeking reliable front-tire inner tubes for various 110cc, 125cc, and 140cc dirt bikes. Why: These tubes offer TR4 straight valves and universal fit, aligning well with many dirt bike models like Honda, Kawasaki, Suzuki, Yamaha, and others. They’re suited for riders who need straightforward replacement with solid durability. Caution: Verify that your rim width matches 2.50-2.75 inches and that the TR4 valve type matches your rim valve hole.
PivotRAX 2-Pack 70/100-17 Inner Tubes
Best for: riders who want a durable two-pack option for 70/100-17 and 2.50/2.75-17 tires on dirt bikes and pit bikes. Why: The 2mm reinforced butyl rubber provides enhanced puncture resistance and shock absorption for smoother off-road rides. Limitation: As a two-pack, this is ideal for regular replacements or multi-bike setups, which may be more than needed for a single bike.
TUSK Heavy Duty 2mm Inner Tube 70/100-17
Best for: off-road riders needing heavier-than-average protection from flats. Why: TUSK’s 2mm butyl rubber increases durability and life on rough terrain, reducing punctures and pinch flats. Caution: Availability of 2mm design may vary by model; check compatibility with your specific tire width and rim. Best used when you routinely ride on rocky or stony terrain.
GICOOL 2-Pack 70/100-17 Inner Tubes
Best for: riders seeking excellent airtightness and natural rubber durability at a budget-friendly price. Why: GICOOL uses premium natural rubber with a thicker internal finish to improve impact absorption and reduce punctures. Caution: This option emphasizes airtightness; ensure your rim’s valve hole and stem seating are compatible to prevent leaks.
AR-PRO 2-Pack 2.50/2.75-17 Inner Tubes
Best for: riders who want a two-pack that matches multiple 17-inch dirt bike tires. Why: These 2.50/2.75-17 tubes provide flexible usage across several models, including Honda, Coolster, TaoTao, and other 110cc-140cc bikes. Caution: Confirm your tire width since the tubes cover 2.50 to 2.75 inches and some bikes might use slightly different tolerances.
PaoWin 2-Pack 70/100-17 TR4 Straight Valve
Best for: riders who need a robust 70/100-17 tube with a straight TR4 valve for front or rear use. Why: The 2-pack includes a TR4 straight valve and thickened butyl rubber for better resistance to punctures and improved ride quality on rough tracks. Caution: This product mentions compatibility with several front and rear configurations; verify your bike’s specific axle and rim width for optimal fit.
Buying Guide: Key Purchase Considerations
What size do I need? The 70/100-17 size corresponds to 2.50/2.75-17 tires. Confirm your tire width on the sidewall, and pick a tube with a TR4 valve if your rim uses a straight valve stem. If your bike uses a different valve type, select accordingly.
How thick should the tube be? Heavier-duty tubes (2mm) offer greater puncture resistance and air stability on rough terrain, while standard tubes around 1.5-2.0mm are lighter. For aggressive off-road riding, 2mm or reinforced tubes are often preferable.
Natural rubber vs butyl: Natural rubber tubes can provide good stretch and absorption but may be more prone to punctures than high-quality butyl blends. Butyl-based tubes typically deliver longer service life and better air retention, especially in varied weather.
Two-pack vs single-pack: Two-pack tubes are ideal for frequent riders, multiple bikes, or back-up replacements. If you only own one bike, a single-pack may be sufficient unless you plan spare tubes for future use.
Brand compatibility: Review the list of compatible models (Honda, Yamaha, Suzuki, Kawasaki, Coolster, TaoTao, etc.). Some tubes advertise universal fit; always double-check the tire width, rim width, and valve type to ensure proper seating and airing.
Frequently Asked Questions
- What does 70/100-17 mean? It refers to tire width and aspect ratio; 70/100-17 is a common dirt bike tire size used on 17-inch rims.
- Do I need a TR4 valve stem? TR4 straight valve stems are standard for many dirt bike rims; verify your rim’s valve hole and cap type before purchasing.
- Can I use a 2.50-17 tube in a 2.75-17 tire? Yes, many tubes are designed to fit 2.50-17 to 2.75-17 widths, but confirm your tire’s sidewall markings.
- Are two-pack tubes better for stability? They are convenient for replacements and multi-bike setups; stability depends on tube quality and sealing.
- Is natural rubber better than butyl for off-road? Butyl is generally more air-retentive and durable; natural rubber can offer good shock absorption but may wear faster in harsh conditions.
- How do I install correctly? Deflate tire, mount tube, inflate to recommended pressure gradually to seating evenly, and check for pinches around the valve stem after seating.