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7

Presumably that's 52 cm. Generally, a crack in an Al frame (or most frames), especially in an area which gets a lot of stress makes it scrap (esp. if its supposed to be used off road). Given this, I'd scrap this frame.


6

There are locks that can be unlocked with your cell phone, but none of them lock your bike automatically. I'm pretty sure the product you are looking for doesn't exist. The reason this doesn't exist is because it wouldn't be possible. You could build a lock that would automatically lock the wheels based on a proximity detector linked to your cell phone. ...


5

Since it's a new-to-you secondhand bike, for safety's sake as well as to deal with the sluggishness I recommend you take it to a bike shop for a complete overhaul. I'll bet you'll be astounded at the difference when they're done.


4

I am not a doctor, but its sound like you might be suffering Post Traumatic Stress, and should seek professional help to rule it out or get treatment. You should be concerned about the 10 critical accidents (I read critical that as hospital/doctors visits and time off school/work, not a mere "off" ). You are likely riding beyond you limits, and need to ...


3

Looking at the component specs, its an entry level MTB, one better than a BSO. 80% of mountain biking is about the rider and his skills, not the bike. Shops won't tell you this, as telling you your riding skills matter most does not end in a sale of a newer season/more expensive bike. Cashed up middle aged execs won't either - many just want you to see ...


2

This "attack position" is not what you would call attack in road cycling. What they mean here is the base from which you start the technical section on a mountain bike trail ( MTB technique is generally what the entire book is about). The terminology in this book is sometimes quite bizarre and many of the terms are not usually used in MTB jargon. This ...


2

In my opinion it's a fallacy to believe that a city bike should have thin tires and in fact if you look at bikes that are specifically marketed as city bikes (and don't aim at the hipster single speed crowd) they often come with quite wide tires. Wide tires offer much more dampening and the difference in rolling resistance is much smaller than once ...


2

Given that the Schwinn sidewinder is a Walmart bike, you're best off getting a new bike. We call these BSO's or bike shaped objects. By the time you get a basic suspension fork, you'll be spending more than the bike after installation, whereas you could easily buy a good used entry level front suspension mountain bike (say, a Specialized Hard Rock or Trek ...


2

To add a rear disc brake you must have a frame with a disc mount. You will also need a rear wheel that has a disc compatible hub. Unless you find a really good deal on something used you will spend more than the bike is worth. If you feel the rear V brakes were insufficient, your money would be better spent getting quality shoes for the rear. Some riders ...


2

I would Make sure your sag is set correctly. See fork manual. Place a zip-tie on your fork leg to act as a max-travel gauge, it lets you see how far from bottoming out you were on any ride and will aid you with tuning. Play with the compression/rebound settings on your current fork. If ride is too harsh, reduce both. If you are unable to smooth out the ...


1

You have previously been able to purchase replacement Fox Kashima CSUs (crown/ steerer/ upper) that many companies will install as an aftermarket option on OEM forks. Not that you would notice, as user2480585 has stated bumpiness of a ride is generally a tune issue rather than a fork issue. The 32 Evolution is a more than capable fork and if you were an ...


1

There really isn't much required to make a MTB into a formidable city bike. The obvious thing is to change tires. But I wouldn't actually recommend to go for something skinny just something not knobby. Skinny tires offer very little advantage but absorb a lot less of the bumps encountered in city driving which makes them less comfortable and put the wheels ...


1

I also like speed and racing, but after some close calls (nowhere close to yours) I decided to push my limits going UPHILL, go faster in that 17% climb where 10 mph is the speed of light. And outside of bicycles, there are infinite challenges, running a mile under 5 minutes, learning to swim butterfly, or in strength training, going for the gimnastic ...


1

First thing you can try is to disassemble and grease the bearings with the proper stuff. To do that you have to do the following: 1) Disassemble them as unscrewing the cones' contra nut and the cones themselves. 2) Wipe the old grease with something ( I am doing it with toilet paper ) 3) Wipe every individual ball of the hub. 4) After everything is clean, ...


1

I think that with a well-running bike you ought to be able to do three things: The wheels ought to spin -- life each wheel in turn off the ground and set it spinning with your hand: it ought to spin and spin and spin almost without ever slowing down, almost frictionless The tires shouldn't absorb energy -- that means you don't want knobbly tires because ...


1

At a minimum lube the chain and see what is scraping. For the brakes just hold the bike up with one hand and spin the tire. Visually inspect if the rim is rubbing on the brake. Some times you can just adjust the brake and some times the wheel(s) need to be trued. Some times you have the tire rubbing on the brake. At this point need to decide if it is ...


1

Depends on your fitness, back strength and duration of your rides. You choose the Hardtail (front suspension) if you want the fastest ride, and you are able to stand up on the most bumpy sections, including bumpy sections that are flat or slightly downhill, where you benefit from pedaling. The hardtail will be lighter, and more stiff and efficient at ...



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