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Picked up a new book “Get Fast!”; Thoughts on bedding in MTB brake pads.

Saturday, August 10, 2013 by  
Filed under Daily Blog

August
10
2013
"Get Fast!: A Complete Guide to Gaining Speed Wherever You Ride" by Selene Yeager

“Get Fast!: A Complete Guide to Gaining Speed Wherever You Ride” by Selene Yeager

I picked up a new book on Amazon last week, “Get Fast!: A Complete Guide to Gaining Speed Wherever You Ride” by Selene Yeager.

So far I’ve only had time to thumb through the book, but it looks like it’s going to be a solid read. There are sections with multiple chapters covering technique, strength training, nutrition, the mental aspect of riding fast, tips for bike maintenance/upgrades with a focus on gaining speed and cycling training.

From what I’ve seen so far I think I’m going to like the author’s writing style, as doesn’t seem stuffy or laden with hyperbole. If I can pick up a few watts for 15 bucks, that’s a pretty good bang for the buck upgrade! Plus, I just like reading about cycling.

Yesterday morning I finally had time to bed in the new brake pads I recently installed on my mountain bike. I always follow the pad bedding procedure recommended by Avid:

1) Accelerate the bike to a moderate speed (approximately 19kmh or 12mph), then firmly apply the brakes until you are at walking speed. Repeat approximately 20 times.

2) Accelerate the bike to a faster speed (approximately 32kmh or 20mph). Then firmly and suddenly apply the brakes until you are walking speed. Repeat approximately 10 times.

3) Allow the brakes to cool prior to any additional riding.

I always do each brake pad individually, so that was a total of 60 sprints–a pretty decent workout! After I bedded in the brakes I grabbed my road bike and did a short 17 mile ride, and I definitely was feeling the sprints in my legs.

So I mentioned that I’d bedded my brakes in on Strava, and that sort of sparked an interesting discussion. One friend (Neil) said he did both brakes at the same time, another friend (Craig) said he’s always just done a half-dozen hard stops and, finally, yet another friend (Andrew) said we were all a bunch of nerds.

I’ve always been told that bedding the pads in the way I do it increases the life of the rotor and prevents squealing (plus I like the workout). I’ll add that the only time my brakes squeal is when they are wet, but I can’t say one way or the other that this is due to my adherence to the Avid bed-in procedure because I’ve always done it that way.

So, what do you guys do to bed in your pads? Is the bed-in procedure recommended by Avid overkill?

John Stone Fitness Comments

4 Responses to “Picked up a new book “Get Fast!”; Thoughts on bedding in MTB brake pads.”
  1. I don’t know if bikes use adherents in their pads, but with most modern auto pads, bedding is essential. During bedding, and later during normal braking, the pad material is heated and begins to transfer to the rotor face in a thin layer. This is called a “transfer layer”. The pad in your caliper actually rides on that thin layer of pad material, instead of hitting directly on the iron rotor itself. Bedding allows these adherents to be released uniformly and mates the pad to the rotor for max performance.

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  2. I haven’t had to deal with bedding pads since I switched to Shimano brakes (though, it’s probably recommended somewhere). I’m amazed you’ve stuck with avid for so long. Avids required constant maintenance. Shimano are maintenance free.

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