All the sweet bikes and parts. Mmm … parts.

Lap timer for bike training?

Hello Lee i have checked out the DMC Moto Trainer lap timer on your site. Do you have it in stock and can send it to me in Sweden?

Kind regards  Emil

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A tire like a Maxxis Icon, but with more side knob?


I picked up MMBS 2nd edition from the library early this spring and loved it. I have been MTBing for 25 years and have had period of good downhill flow but they were not consistently repeatable. After reading your book I understood why…because I had no idea what I was doing. When I got into those flow states it was completely by accident and I was never able to reproduce them with intention. However, you lay out some key concepts that are great mental handles on what our bodies should be doing on the descents and I am in your debt for that. I bought the Mastering Mountain Bike Skills 3rd Edition and have influenced a few friends to do the same. Thank you for systematizing this!

Question, I am running Maxxis Icon 2.35s (EXO, TR, and all the fancy stuff) front and back on a 29er XC bike and they do a pretty good job all things considered. I do live in Jeffco and ride all the front range trails and Buff Creek and Breck a lot. Can you recommend the most comparable tire in durability, weight, XC rolling speed but with some big side knobs so I can really lay my machine over with confidence in every situation?

Thanks much, John

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Prescription riding glasses

Hi Lee,

Heard you wear prescription biking glassses. What brand and model do you wear and would you recommend them?  I need to get a pair for riding.

Chris D

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Last weekend I was in NorCal teaching and doing a RipRow™ demo at Trail Head Cyclery. Thursday Lars Thomsen and I talked business, assembled the machines then went for a ride. It was getting late.

We drove to Santa Teresa and parked at the “Lover’s Lane” lot near IBM. The sun was setting. I told Lars:

“I don’t want to be afraid.”

Over the past several years, as my shoulders have deteriorated, rocks have become painful, and I’ve become very afraid. But I’ve been doing the REVO physical therapy and RipRow work. My shoulders are stronger. My Specialized Enduro Öhlins Coil is the most capable trail bike in the world. I want to ride aggressively and not worry about the details.

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Guerrilla Gravity Trail Pistol vs. Specialized Stumpjumper 6Fattie?

Hi Lee,
I hope you are well and I am not pestering you with this question. Last year I crashed in Downieville on my SC Nomad 3 and broke myself and the frame. SC replaced the frame but with the new Nomad and although it is a great bike it is much more difficult to climb with it. I am considering replacing the bike with either the GG Trail Pistol (setup +) or Stumpjumper 6Fattie, bikes I know you are familiar with. My good friend just bought a Trail Pistol off one of your instructors and loves it.

What are your thoughts; any other bikes I should consider?

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First 2 rides: Specialized S-Works Fuse

Top of the line carbon plus hardtail. Roval carbon wheels. Öhlins 120mm air fork. 27.5×3″ GRID Purgatory in front, Ground Control in rear, both with Gripton rubber. 15psi front, 17psi rear.


I rode our gnarliest, rockiest local trail. Usually ridden on 160mm Enduro but shredded with impunity on this light saber.


Rode from home. Paved climbing and a few laps of a smooth, private singletrack at a neighbor’s house. Fast. Fun.

Reviews of Guerrilla Gravity bikes

Guerrilla Gravity bikes are made in Denver, CO and they’re all fun to ride.

Check out:


Shred Dogg

Trail Pistol


Smash – They didn’t have one in my size. Stay tuned.

GG/DH – That’ll be fun. Stay tuned.

Guerilla Gravity Megatrail: surgically precise sledgehammer

Guerrilla Gravity says:

“As a highly refined and extremely versatile trail bike, the Megatrail is built for everything from conquering high-alpine adventures to shredding bike park laps, or just slaying your after-work rides. And when it’s time to turn the Rad up to 11, Gravity Mode™ provides a 20-second, one-bolt geometry toggle that transforms the bike into a downhill dominator–it’s like having two bikes!”

I rode a small Megatrail for one long, awesome day at Valmont Bike Park and the Betasso Link Trail. About six hours of ride time. Thoughts:

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Guerrilla Gravity Shred Dogg: mid-travel attack bike

Guerrilla Gravity says: “This is a bike that turns your local trail into your very own pump track. The Shred Dogg provides an exceptionally lively platform for those that value playfulness more than smashing the super-gnar. Plus with Gravity Mode™ available, you still have the downhill chops for when going gets rough…er.

More great copy from the little bike company in Denver, CO.

It’s also another great bike from Guerrilla Gravity. I just spent two weeks on a Shred Dogg, and here are some thoughts.

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How does an Australian dad get an Enduro SX?

Hi Lee,
Couldn’t help but notice you have an Enduro SX slalom bike. How does one go about getting a frame?
All my riding life I’ve dreamt of a full suspension slalom bike. I still don’t really know what I’d do with it, but I still want one.
I know they are a few years old now, but they are shrouded in mystery. All the Specialized dealers I’ve spoken to tell me that I must be thinking of the P.Slope. I’m not. One dealer who is very well connected tells me that he doesn’t have access to U.S. stuff anyway – impossible.
Last week I was looking fairly seriously at getting a Commencal VIP ABSOLUT SX 26 until I realised it was a 4kg frame and needed DH bottom bracket and hubs. The signature frame of a 120kg superhero, might be a bit much for a 64kg dad to ride in the backyard.
Was the Enduro SX only one production run in 2013-2014? Are they available over there? What do you have to do to get one etc?
Hope you guys are well,


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Guerrilla Gravity Trail Pistol: for punk rock ninjas?

In the words of Guerrilla Gravity: “As the “Singletrack Flyer,” the Trail Pistol inspires the kind of fun you only experience flying through the pit of a punk rock show. The kind of reckless fun that reminds you why you started mountain biking in the first place.”

That is some good copy. Especially if you’ve never been in a real pit of a real punk rock show (before punk went mainstream). In reality they are violent and crazy and kinda scary! I have this awesome scar from a show …

But it’s great copy, and I think it captures the intent of the Trail Pistol.

After riding this bike for two days with about 11 hours of ride time, here are some other things I think:

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Guerilla Gravity Pedalhead: Front Range weapon?

Guerrilla Gravity says “The Pedalhead is an adventure hardtail built for everything from crushing singletrack miles, getting rad around town, or as an all-around play bike.”

I just spent a day on one, and here’s what I say:

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