BikeMaster 170/80-15 Motorcycle Tube – PV78 Metal Valve Stem
BikeMaster 170/80-15 PV78 Tube — a straightforward, serviceable inner tube for 170/80-15 motorcycle tires. Built with a heavy-duty PV-78 metal valve and seamless rubber construction for reliable day-to-day use.
Fitment
- Exact match for tires stamped 170/80-15. Confirm the tire sidewall before ordering.
- Valve: PV-78 metal stem (tall, 90° style) — fits rims where a taller/angled metal stem is required.
- Manufacturer/part reference commonly listed as BikeMaster PN 374615 on supplier listings.
Installation Notes
- Before you seat the bead, inflate the tube just enough for shape. That cuts down on pinches when you lever the tire back on.
- Line the PV-78 stem up with the rim valve hole before you push the bead over the last section. If the stem feels tight, rotate the tire a click and try again.
- Inflate in short bursts to working pressure, check the bead and valve alignment, then finish to the tire’s recommended pressure.
- Use a light dusting of talc if the tube rubs while you work. Don’t use petroleum-based lubes.
Who This Is For
- Riders replacing a failed inner tube on bikes that run 170/80-15 tires.
- DIY mechanics who want a metal PV-78 valve for easier access or for rims with offset valve holes.
- Shops and riders who prefer a straightforward, aftermarket replacement tube that’s easy to source and service.
Key Benefit
A no-nonsense replacement tube: seamless natural-rubber construction with a heavy-duty PV-78 valve gives predictable service and easy repairability. It’s the sort of tube you fit, patch when necessary, and forget about until the next service.
FAQs
Will this fit my bike?
If your tire sidewall reads 170/80-15, yes — this tube size matches.
Is the PV-78 valve metal or rubber?
PV-78 on this tube is a metal valve (tall, 90° style).
Can I patch this tube? Small punctures can be patched with a standard tube patch kit. Replace the tube if the valve is damaged or the tear is large.
What pressure do I run?
Use the tire manufacturer’s recommended pressure. The tube is sized to fit the tire; pressure comes from the tire spec.
Do I need special tools to install it?
Standard tire levers and an air source are all you need. Go slow on the last bead and avoid pinching the tube.
Is this an OEM tube?
It’s an aftermarket BikeMaster replacement commonly sold under part number 374615 — intended as a direct, serviceable replacement.
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