Folding Bikes - Using a Rear Rack to Increase Your Effort on the Bike

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kegoguinness
11-02-10, 08:13 AM
I went for a ride on my Pocket Crusoe on a long bike trail. After my turnaround point to head back, the bike seemed to feel like lead. I couldn't believe I had bonked. Well, it turns out that the screw in the lower braze-on for the rear rack (braze is just above the rear cassette) had fallen out, and the tip of the rack had fallen down and was resting on my casette between the 7th and 8th cogs. Basically, it was acting like a brake, in effect, causing me to have to work a hell of a lot harder! As I pedaled, the rack tip (which is flat) just turned right along with the sprockets.

I didn't see anything wrong as I looked back while riding, wondering why I was so darned slow and tired. It wasn't until I back-pedaled at some poing that I heard a LOUD sound, and eventually saw the problem. Man, what a relief to know I wasn't totally out of shape! It appears no damage was done but I need to more closely inspect the cogs. The rack was literally resting right in-between the two cogs and not touching the teeth of either one. Normally I check the screws on my bike every few weeks, but clearly I missed this one :( .


jdmitch
11-03-10, 06:07 PM
yowza...

harlond
11-03-10, 06:13 PM
Yowza indeed. Your basic good news, bad news scenario.


wandt
11-03-10, 08:36 PM
One time my wife rode 25 miles with a mal-adjusted rear brake that resulted in back pain for 2 mos. Gots to check that stuff.

puppypilgrim
11-03-10, 11:22 PM
I was commuting to work one day when I stood up to accelerate from an intersection on my Dahon Helios P8. As I was standing on my pedals and cranking it, the chain suddenly derailed! WTF? I coasted onto the sidewalk for safety and inspected my bike. On first glance, I didn't see anything wrong and proceeded to mount the chain back onto the chain ring with my gloved hand. Now I needed to turn the pedals to slip the rest of the chain on but the crank refused to move.

Looking closely, I saw that the retaining screw of the rear rack had popped off causing the rear rack stay to jam onto the rear cassette of cogs. I was able to cycle home, find a replacement screw and with a bit of Loctite, re-attach the rack. For safety, I used Loctite with the screw on the other too.