Tag: repair

Reattach and tighten a bicycle crank arm (short video)

Hi guys, in this video I’m going to show you how to re-attach a bicycle crank arm. This is the first time I had to do it in something like eight months. My friends buy very cheap second hand bikes and sometimes they’re a little bit broken. So they come to me to fix them. […]

Replace A Shimano Hollowtech Bottom Bracket On A Bike

Undo the pinch bolts, clamping the left hand crank to the axle, undo and remove the plastic preload cap. It’s only finger tight and is removed with a special plastic tool. Use a small screwdriver to lift the plastic safety tab. Wiggle the lefthand crank to loosen it and pull it off. Use a soft […]

Replace The Chainring On A Shimano Hollowtech Crankset On A Bike

Undo the pinch bolts, clamping the left hand crank to the axle. Undo and remove the plastic preload cap. It’s only finger tight and is removed with a special plastic tool. Use a small screwdriver to lift the plastic safety tab. Wiggle the left hand crank to loosen it and pull it off. Use a […]

Adjust A Bike Wheel’s Cup And Cone Rear Hub

Remove the wheel from the frame so you can acces the rear hub. On a rearwheel the cone and lock-nut on the drive side may not be accessible. The right side lock-nut and cone should be kept locked tight together and all adjustments done on the other side. If the right side lock-nut and cone […]

Essential Tools For Your Workshop | E-Bike Maintenance

– When it comes to tools to working on your E-mountain bike it can get pretty confusing but today’s video, we’re taking a look at all those essential tools that you’re going to need for your toolbox. (light music) – Well it all starts here of course, and these Allen keys. These things range in […]

Inflate A Bike Tyre With A Schrader Valve Or Auto Valve

Find the Schrader valve and remove any dust-cap. If the valve hasn’t been opened for a while release a short hiss of air to check it’s not stuck. The same process, holding the valve open longer, deflates the tyre. Release air by pressing down on the valve stem. A match stick or some other small […]

Can You Use Mountain Bike Forks For Rear Suspension? | Ask GMBN Tech

(technical noises) – Welcome to Ask GMBN Tech. It’s our weekly Q and A show. If you want to get some questions into ask us, there’s an email address at the bottom of the screen right there or you can add them in the comments below. Just make sure if you’re asking questions, use the […]

Can You Repair A Carbon Fibre Bike?

– [Narrator] Cracking or breaking your carbon bike frame is every cyclist’s worst nightmare. In fact, some even lose sleep over it. And the prospect of smashing your pride and joy is even worse to a cyclist than the prospect of bungee jumping through an open air rusty razor blade museum. So, to find out […]

Fix a Flat Bike Tire

A flat bike tire is bad news, but luckily, fixing a flat is simple. Just follow our easy, step-by-step process, and you’ll be back on the road in no time! All you’ll need to change that flat is a replacement tube or a patch kit, and two tire levers. The first step is to remove […]

Adjust A Bike’s Handlebars Attached To A Threaded Steerer

Measure how much of the handlebar stem is visible above the lock-nut on top of the headset. Use a tape measure before and after any handlebar adjustment or maintenance, that way you can go back if you don’t like the new position. Follow the line of the headtube to find the head of the expander […]