2.50-10 Heavy-Duty Inner Tube for 50cc–70cc Dirt Bikes

2.50-10 Inner Tube Compatibility Guide

This brand-new heavy-duty 2.50-10 inner tube fits 10-inch wheels on 50cc and 70cc mini dirt bikes and pit bikes, including the SYX 58, SYX 60, Apollo DB-21, Apollo DB-25, Coolster and other Chinese 70cc models, plus the Honda CRF50/XR50, Suzuki JR50/DR-Z70, Yamaha PW50 and KTM 50 series. It also fits 2.75-10 tires.

Check your tire size first. The size is printed on the tire sidewall. Some mini bikes run a different size front and rear, so check each wheel — or bring in your old tube or wheel and we will match it before you buy.

Specifications

• Size: 2.50-10 (also fits 2.75-10)
• Rim size: 10-inch
• Valve: TR4 straight metal valve stem
• Construction: Heavy-duty, puncture-resistant rubber for trail and off-road riding
• Position: Front or rear, wherever the tire reads 2.50-10 or 2.75-10

Compatible Models

• Chinese 50cc–70cc Pit Bikes: SYX 58, SYX 60, Apollo DB-21, Apollo DB-25, Coolster and other Chinese 70cc models
• Honda: CRF50, XR50
• Suzuki: JR50, DR-Z70
• Yamaha: PW50
• KTM: 50 series with 10-inch wheels

Fitment varies by year and model, so always confirm the size on your tire sidewall.

Signs You Need a New Inner Tube

• The tire goes flat overnight or after every ride.
• You hear hissing or find a puncture after riding over thorns, rocks or debris.
• The rubber is cracked or torn around the valve stem.
• The valve stem is leaning or pulled sideways in the rim — common after riding on low tire pressure.
• The old tube is dry-rotted from sitting.

A worn tire or damaged rim can keep ruining new tubes. Bring your dirt bike in and our service department will check the tire, rim and rim strip — basic diagnostics are free.

2.50-10 Inner Tube FAQ

Is a 2.50-10 tube the same as a 2.75-10?
They are close enough that this tube covers both. The first number is the tire width in inches and the second is the rim diameter — 10 inches. It will not fit a 12-inch or 14-inch wheel.

Why choose a heavy-duty tube?
Heavy-duty tubes use thicker rubber that holds up better against pinch flats, rocks and thorns — a good choice for kids’ pit bikes that see a lot of trail time.

Should I replace the tire at the same time?
If the knobs are worn down or the sidewall is cracked, yes — a worn tire can keep ruining new tubes. See our 2.50-10 off-road knobby dirt bike tire.

Will this fit my Honda CRF50 or Yamaha PW50?
Yes. Both use 2.50-10 tires. Check your sidewall to be sure, since some bikes have had their tires swapped.

Will this fit my Coolster or other Chinese 70cc dirt bike?
Most Chinese 50cc–70cc pit bikes, including Coolster, SYX and Apollo DB-21/DB-25, run 2.50-10 tires on 10-inch wheels. If you are not sure, bring in your old tube and we will compare them.

Do you have it in stock?
We keep inner tubes in stock at 2916 S Santa Fe Ave, Los Angeles. Call (323) 588-6634 to confirm before you come in.

Can you replace it for me?
Yes. Our service department replaces tubes and tires on dirt bikes and pit bikes every day. Call (323) 588-6634 to book an appointment.