Hi all Does anyone know what the thread size is on a presta valve - that is the smaller dia thread nearest the nipple - I'm looking to machine a better...

Have an old rear wheel with a Suntour Accushift 6 spd freewheel. 1) Will a Shimano 7spd Megarange (13-34) fit? 2) Any chance a Shimano triple road rear...

Steve Sr. wrote in : I have a 2000 Cannondale CAAD3 touring frame with a Shimano 952...

Hi everyone, I have an ACS-Claws single speed freewheel. It's pretty nice but it is definitely NOT sealed. Is there any mechanical reason I should...

We have CARS !

I've seen a water bottle that is made for carrying small parts. I would rather use that for a tube, irons and a patch kit instead of a bag under the saddle. ...

I have a CCM MegaSize mountain bike, it's at least 5 years old, and just a few weeks ago the crank started slipping from the chainwheels, it would get really...

Hi, I am updating the BB on my Giant tcr aero from a square taper to an octalink (to fit my new crankset). I am not sure what size bottom bracket to buy. ...

On a garage sale nearby, I noticed a supermarket-type bike with Nexus 7 speed hub, with a coaster brake. The hub seems to be in a perfect condition (probably...

If I have a Shimano 8 speed now and want to upgrade to a Shimano 9-speed, then what do I have to do? Just 2 new STI shifters, a 9-speed chain, a 9-speed rear...

I guess the title says it all. Standard 9/16 - 20 tpi. Don't ask how I screwed up the threads (I cross threaded a new pedal even though I must have switched...

I realize this has been discussed many times before, but I can't seem to find the info. how does one calculate grade/slope? Ascutney .. 2150 change in...

First, please ignore my poor English ;) Let me explain, what do I want. I would like to buy two (2) "livestrong bracelets", but I can't (they don't sell/send...

A google search of past threads yields a ton of info on the ins and outs of what happens when you try to stick with your old 8 speed cranks while otherwise...

I made sort of a sudden, hard, and frightened right lever shift yesterday and suddenly the righthand lever/shifter would only let me shift up one gear at a...

On a ride recently I saw a bike bag (box) that sat on top of the top tube right behind the stem. It was box shaped. Maybe 6" long, 4" tall, 3" wide. Black...

What is the best 'policy' in maintaining the smooth working of the chai and sprockets? After how many km's the chain should be replaced? And...

Can someone tell me which bottom bracket tool I should get to work on a 1987 Cannondale with a Sugino TAP 110 crankset? thanks, Pat in TX

The bearings in the crank set of my bike are really dirty and have sand and dirt in them, how do I go about cleaning them? I know the best thing to do is take...

I have been having spoke breakage recently that I thought people here might help me to diagnose. The rear, drive-side spoke breaks just where its threads enter...