How To Convert A Presta Valve Rim To Use A Schrader Valve Tube

Extra Long Schrader Valve

Extra Long Schrader Valve

Presta valves are small in diameter and were originally designed for ultra narrow rims found on fast road bicycles. Today you find presta valve tubes on every type of bicycle from hybrids to mountain bikes. And that’s cool, but having to deal with presta valves on a daily basis can leave a rider wanting to convert their rims to use the old style schrader valves. Continue reading

Installing Slime Flat Protector Tube Liners In A 700x32c Tire

Slime Flat Protector Tube Liner And Tire

Slime Flat Protector Tube Liner And Tire

I damaged my rear Schwalbe Marathon tire to the point where the tire started to bulge in one area, causing the tire to rub against the rear fender. I knew it was just a matter of time before the tire blew and left me stranded on the side of the road, so I replaced the tire with a spare tire I had sitting in my work area.

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How To Fix Or Repair A Bicycle Flat Tire

How To Fix Flats

How To Fix Flats

The one downside to commuting by bicycle are flat tires. Bicycle tires today are more resistant to punctures and flats than they were in the past, but flats still occur. It is mandatory for bicycle riders to carry a repair kit, or a new tube, and know how to use them, or get stranded somewhere away from home. I use the following steps to repair flats:

 

 

 

 

 

 

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Do Factories in China Grease Bearings Properly On Big Box Store Bicycles?

Upper Headset Bearing Before Adding Grease.

Upper Headset Bearing Before Adding Grease. (Before I shot this photograph, I wiped this bearing and race down preparing it for grease. I forgot I still needed to take photo’s for this blog. However, you never could see grease from the factory.)

I still have access to a new Roadmaster Granite Peak bicycle, which I have written about before on this blog. Roadmaster bicycles are only sold at Walmart, and Roadmaster is owned by Pacific Cycles. Pacific Cycles also owns Mongoose, Schwinn and Iron Horse brand bicycles, which are also sold at Walmart. I picked up the bicycle in a box partially assembled. Most of the bicycle was assembled at the factory; accept for the seat, seat tube, stem, handle bar and front wheel. I thought it would be interesting to dissemble an area of the bicycle assembled at the factory that contained bearings, and see how much grease was applied at the factory in China. I picked the headset to disassemble and inspect.

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