About the author: Kurt Gensheimer

Kurt Gensheimer thinks the bicycle is man’s most perfect invention. He firmly believes ‘singlespeed’ is a compound word. He sometimes wears a disco ball helmet. He is also known as Genshammer. He is a Gemini and sleeps outside in a hammock.




ASS Does Downieville: More to Downieville than Butcher and Pauley


Downieville Classic downhill and cross-country routes barely scratch surface of region’s expansive ride opportunities.

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Review: Gore Bike Wear ALP-X PRO Outfit System


Gore Bike Wear’s award-winning jersey and baggie-bib short combo designed for variety of riding conditions. See if they live up to that do-it-all billing.

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The Angry Singlespeeder: Stop whining about cost of bikes


Nobody cares whether or not you can afford that new bike that so-and-so just released. So please stop your whining.

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ASS Does Downieville: Broken bars, busted wheels, bruised egos


The Angry Singlespeeder checks in from his summer home to report on a weekend filled with wrecked equipment, stitches, and a big fall off a steep cliff.

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Travelogue Oregon: Sweet singletrack at Smith Rock


Come along for a ride at Oregon’s famed (and formidable) Smith Rock State Park, where Mother Nature has crafted a true mountain biking utopia.

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The Angry Singlespeeder: Singlespeeds aren’t dead. They just smell funny.


The ASS’s fellow scribe and mountain biking buddy Eric McKeegan said “singlespeeds = dead”. According to Eric, what used to be a thriving tribe of counterculture misfits is misfits no more. They’ve moved on. The ASS retorts “Singlespeeds aren’t dead. They just smell funny.”

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Travelogue Oregon: Laughing outloud at Sandy Ridge


Combine beautifully built mountain bike specific trails with an easy to tackle return-to-the-top climb, and you have the perfect recipe for dirty two-wheeled fun.

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ASS Does Downieville: Bear chasing and more from MTB Mecca


The Angry Singlespeeder checks in from his summer haunt in Downieville, California, with tales of bears, rampage and romance.

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First Ride Review: 2015 Trek Stache 9


Not too fat, not too thin, the Angry Singlespeeder thinks Trek’s new Stache is just right. Check out his first ride review.

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Sierra Buttes Trail Stewardship campaign launched


Since its inception, the 5-Bucks-a-Foot campaign has raised more than $100,000 for trails in the Lost Sierra region.

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ASS Does Downieville: The rider who cried wolf


The Angry Singlespeeder checks in from his summer haunt with a message about accident reporting protocol. He also rode his bike a lot.

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The Angry Singlespeeder: Has Sea Otter gotten too big?


The Angry Singlespeeder believes that if event organizers want to keep Sea Otter healthy, strong and relevant moving forward, they have to keep in mind the old adage, bigger is not always better.

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Review: Trek Superfly SS singlespeed 29er


The Angry Singlespeeder puts Trek’s budget-friendly one-gear bike through its paces. See if he was still angry at the end of his ride.

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ASS Does Downieville: How to not get shot or pissed on


Whiskey drinking, tall tales, gut busting climbs, and the search for an abandoned jeep. Just another day in Downieville.

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The Angry Singlespeeder: The Happy e-Fat Biker


Our resident hater of all things modern and fun may have turned over a new (electric) leaf.

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ASS Does Downieville: Documenting season of work & play


The Angry Singlespeeder is posting up in one of world’s most unique mountain bike locales for the summer, and for better or worse he’s going to tell us about it.

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Review: RockShox RS-1 suspension fork


RockShox’s groundbreaking inverted fork offers superb performance — and a lofty price tag. So is it worth it?

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Review: SRAM Guide RSC brakes


New Guide RSC brakes feature an all-new design, alleviating the bleeding and consistency woes of the predecessor Elixir product line. But are they better than Shimano?

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Review: Four essential items for a 420-mile MTB ride


Planning a multi-day mountain bike adventure? Here are four pieces of essential gear. Find out why.

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Review: Industry Nine Trail 29 wheelset


We put this American-made wheelset to the test and found it had outstanding durability, hub performance and lateral stiffness.

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Gear Review: Ibis 941 Wheels


Ibis’ first wheelset jumps on the legit wide rim trend with their impressive 41mm outer width and their 1770 gram weight in 29-inch diameter.

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Long Term Review: Cane Creek DBInline


Big things come in small packages. The DBInline is a full twin-tube shock just like the DBAir, it’s just packaged more economically to fit a wider range of 120mm-160mm travel bikes.

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2014 Holiday Gift Guide: The ASS’s Craigslist gift finds


Holiday Gift Guide: Our columnist the Angry Singlespeeder is one thrifty dude. And if you’re on his Christmas list brace yourself–it ain’t gonna be pretty.

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The Angry Singlespeeder: Just Don’t Get Hurt


The Angry Singlespeeder: Go big or go home? Maybe not. The ASS lays down his thoughts on the Affordable Care Act for the mountain biker.

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Long Term Test: 2015 Ibis Tranny 29


The Angry Singlespeeder puts Ibis’ latest hardtail—the Tranny 29—through the wringer to see if the versatile wagon wheeler has got the goods for the long haul.

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Gear Review: Gates Carbon Belt Drive System


Gates Carbon Drive belt system a light, quiet option for single speeders.

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The Angry Singlespeeder: I am so over the road


The ASS trades his knobbies for skinny tires and finds out he’s been missing absolutely nothing.

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The Angry Singlespeeder: Legendary Kamikaze returns as awesome, inclusive festival


The legendary Kamikaze makes it’s triumphant return with something for everyone.

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The Angry Singlespeeder: Foaming at the mouth about CrossVegas


Beer and foaming in Las Vegas: The Angry Singlespeeder throws down on over-the-line fan behavior at CrossVegas

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The Angry Singlespeeder: Will e-bikes short circuit mountain biking?


The Angry Singlespeeder asks a pertinent question—Will e-bikes short circuit mountain biking?

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The Angry Singlespeeder: A comic tragedy – thoughts on Robin Williams


The Angry Singlespeeder reflects on the passing of comedian, actor and fellow cyclist Robin Williams.

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The Angry Singlespeeder: Does Levi Leipheimer belong in mountain biking?


The Angry Singlespeeder looks into complaints about confessed doper Levi Lepheimer racing at Downieville. His perspective might surprise you.

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The Angry Singlespeeder: Why the Downieville Classic is my all-time favorite


There are many mountain bike events that capture the essence of our sport, but in my mind, the Downieville Classic does it best.

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The Angry Singlespeeder: We need primitive trails


With all the world seemingly abuzz about manicured flow trails, the Angry Singlespeeder pines for a more primitive, raw trail experience.

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First Look: Ibis releases all-new Tranny 29 hardtail


Ibis releases a new 29-inch version of its vaunted Tranny hardtail. See it here–vaunted.

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Factory Tour: Cane Creek Cycling Components


Mtbr takes a tour of Cane Creek’s North Carolina factory where they make shocks, headsets and seatposts here in the good ol’ US of A. Come on along and check it out.

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Factory Tour: Inside Industry Nine


North Carolina’s Industry Nine Industry builds wheels that are as beautiful as they are functional.

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The Angry Singlespeeder: The Trans-Sylvania Epic – Death by rock


The Angry SInglespeeder takes on rocks, ruts and raucousness of Pennsylvania’s Trans-Sylvania Epic.

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The Angry Singlespeeder: Think you’re hardcore? Think again


Think you’re hardcore? Think again. ‘Blind Bobby’ McMullen defies odds and redefines the word.

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Gear Review: Cane Creek DBinline Air Shock


Cane Creek launches twin-tube damper performance and adjustability in a compact and lightweight single tube shock package.

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The Angry Singlespeeder: Dear Europe


The ASS bleeds enduro blue—red, white and blue, that is—as he challenges the claims of someone called “Europe.”

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The Angry Singlespeeder: Singletrack Summer Camp


Gearing up for the Trans-Sylvania Epic, a seven-day mountain bike stage race in Pennsylvania that’s becoming known as the ultimate “singletrack summer camp”.

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The Angry Singlespeeder: Whiskey on Ice


The Whiskey Off-Road is a race designed to lure riders from colder climates for a little spring thaw in the perpetually 70-degree town of Prescott, Ariz. As our Angry Singlespeeder can attest, someone spiked this year’s Whiskey with a little dash of polar vortex.

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Gear Review: Ritchey Vector Evo Streem saddle and Trail seatpost


Ritchey’s lightweight Vector Evo monorail saddle and seatpost system suspends rider for exceptional comfort.

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The Angry Singlespeeder: None More Blue


Look out enduro racers, there’s an angry new Smurf in town and there’s none more blue.

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Bike Test: Pivot LES 29 Singlespeed review


Bike-maker Pivot has been on a roll of late, and their first hardtail offering is no exception. The Pivot LES 29 is one mean, lean, racing machine whether you go geared or singlespeed.

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The Angry Singlespeeder: Another Sea Donkey Adventure


He may not know a donkey from a marine mammal, but our resident Angry Singlespeeder knows about something bigger than Sea Otter. And here’s a hint—it ain’t a fatbike.

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Gear Review: Betabrand Bike to Work Britches


Is that a reflector in your pants or are you just happy to see me? See what our resident Angry Singlespeeder thinks of Betabrand’s new Bike to Work Britches.

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Gear Review: Lauf Trail Racer 29 fork


Lauf’s 990-gram, leaf-spring Trail Racer 29 suspension fork challenges the status quo and—at 60mm-travel—comes up a little short. But that’s not the fork’s only issue. Our Kurt Gensheimer takes a close look at this Icelandic oddity.

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Compare-O Bottom Line: Specialized S-Works Enduro 29 is the king of descent and more


The Specialized S-Works Enduro 29 makes the case for being the best of both worlds—a bike that handles like a 26er and rolls like a 29er. Did they pull it off?

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