The Radavist

Today we’re pleased to showcase a build from our friend Martin at Second Spin Cycles. Martin works on restoring old mountain, road, and yes, track bikes for his clients by speccing the period-correct components and more.

One of the things I love about our content here on the Radavist are features like this. Martin runs a hobby company called Second Spin Cycles, an outfit we did a Shop Visit on a few years ago, and this is his 1987 Mantis X-frame, aka a Valkyrie. Check it out in detail below with words by Martin…

To call Martin from Second Spin Cycles a “collector” doesn’t do his operation justice. When I think of bicycle collectors, I picture hoarders stacking NOS parts for the sake of their own enjoyment, often shutting off their acquisitions from the real world, while only allowing members of various online forums the sneak peek inside, via photos. Maybe that’s an exaggeration but personally, I feel a great amount of indifference to people who hoard bicycles and components. Unless they’re riding them…

Yesterday we took a look inside Second Spin Cycles and Martin’s stock of vintage mountain frames and accessories. Today, we’re going to look at four of his bikes in detail, all of which I felt were very unique. I’ve done my best to include Martin’s synopsis for each bike, along with some details which surprised even me. As with everything in this gallery, you can head to Second Spin Cycles’ blog for more information.

Second Spin Cycles’ 1985 Yeti Built and Sold by John Parker
Photos by John Watson and words by Martin Kozaczek

Unless you’ve lived in a cave for the past 30 years you’ve probably heard of Yeti Cycles. Not much has changed in that time. The bikes are still turquoise and still made to go fast. Yeti has always stuck to its foundation in racing, and the alumni roster reads like a list on the wall in the Hall of Fame, with names like Tomac, Furtado and Graves just to name a few. Yeti outlasted most of its competition during those years as their bikes have evolved only enough to ensure they are as fast as their racers. Unlike some bike companies that either don’t embrace their past and culture or don’t have one to really rally around, Yeti is all about their history and more importantly, their tribe. If you’ve been to their HQ or one of their annual Tribe gatherings you’re likely to see some of the more significant bikes from their past. That lineup is soon to be joined by the bike featured here, which is the first Yeti ever sold!!! The story goes a little something like this. John Parker bought out the tooling for 26” BMX “Motocruiser” stalwart Bicycle Bob Wilson and his Sweetheart Cycles brand, and welded up 3-5 bikes. Needing a new name to distinguish his new bike from a Motocruiser, he chose Yeti, named after a sleeping bag he liked. This is the first bike he sold under the Yeti name from the storefront window of Emily K’s bicycle clothing store in Santa Barbara, CA. It was purchased by a young woman who owned it until just a couple years ago when a chance encounter with John at a motorcycle show reunited the bike with its maker.

Martin from Second Spin has quite the vintage MTB stable and at last weekend’s MWBA Pancake Breakfast, he brought out his grail. Growing up worshipping Klein, Yeti and Mantis, Martin was able to own various Yetis and Kleins, but never a Mantis in his size. When a trade presented itself, he jumped on the deal for this Valkyrie.

The build spec is period correct, down to the Campagnolo skewers, which many mountain bikers used on their builds. The Cook Brothers crank and Ti bottom bracket have Specialized chainrings bolted on. Martin went with a WTB theme on this particular build with WTB roller cams front and rear, with WTB classic Grease Guard hubs. A Cunningham stem with internal cable routing holds Cook Brothers bars, M730 shifters and four finger calipers.

Even with this nice mix of parts, nothing takes away from this bike’s stance. It’s confident in its funkiness yet still elegant in its form. Having never seen a Mantis in person before, I now understand why Martin was so attracted to these frames.

Vintage mountain bike collectors will swoon over this one, but that goes without saying.

After thirty-five days spent bikepacking from Bolivia to Peru across three sub mountain ranges of the Cordillera de los Andes, Leo Brasil finds himself with the unique opportunity to explore a completely different part of South America with a much lighter bike. Read on for his race reflections from the 2023 Across Andes 

Nick McIntyre takes us on a mosey through Ireland’s southernmost county on some choice cuts from the Golden Age of 26-inch MTBs. Sharing company with a small group of friends, Nick writes about rolling past stashed-off coves, winding back roads, and an unexpected day making petty bets at the Ballabuidhe Horse Fair after one of the wettest Irish summers on record. It was a given that there would be some downpours to deal with along the way, but these only made the odd break in the clouds all the sweeter. Read on for Nick’s retelling of bike touring in Cork and don’t miss his 35 mm gallery. 

Our far-flung international correspondent Petor Georgallou returned to Girona, Spain last October for GiRodeo 2023, The Service Course‘s flagship end-of-season event. It was an action-packed weekend with great riding, wild parties, music, coffee, friends, and loads of beautiful custom and bespoke bicycles on display. In his first report from the event below, Petor details his time as a guiri in the Catalonian region, improvising after only half of his bike showed up, subsequently uber-underbiking for 155 km, attending a wild Correfoc for the second year in a row, and much, much more. And be sure to stay tuned tomorrow for Petor’s overview of eight stunning custom builds from the event!

There aren’t many modern bicycle brands that have a history quite as rich as Yeti, let alone a diehard cult following of collectors and fans for the early bikes. Coming into a steel F.R.O or Yeti Ultimate is usually enough to be considered a “Holy Grail” find for most. However, there is another bike in the early Yeti lineup that is so rare many will never see one in person and more modern followers of the brand may not know even exists. This is the story of an elusive Yeti Tree Frog…

Eurobike is a massive convention that takes place annually in Frankfurt, Germany, and is described as “the central platform for the bike and future mobility world.” Petor Georgallou was on the ground at this year’s event and, below, uncovers the latest and greatest from the longest-travel downhill bikes to the smallest-wheeled folding bikes. But, first, he had to get in…

Taylor‘s journey to rediscovering a love for bicycles included building a modern klunker from a 1954 Schwinn Hornet frameset. After plenty of experimentation with parts and modifications, an unlikely entry into a local race would prove fortuitous for Taylor and his vintage rig. Continue reading below for a detailed rundown of Taylor’s build project, racing his klunker at local events, and more from Skidway Island!

Before we jump in, let’s take a look back: This has been such a fun process to undertake over the course of the past nine months. For those who are just tuning in, I bought a frame from Martin, owner of Second Spin Cycles, last year after he had acquired a substantial Fat City Cycles collection. Among his lucky haul was this Yo Eddy! in the team lavender livery with rack mounts, a pump peg, and some frame damage.

While the bike was in Rick’s care at D&D for some repairs and a paint respray, I began collecting period-correct parts from various sources. After re-finishing some of them and getting the bike back, I just finished the build this week. Monday night was the maiden voyage of the new and improved Yo Eddy! and I took some glamour shots here in Santa Fe, so let’s check this beaut out below!

Last year, while building up a Ritchey frame, I reached out to Martin at Second Spin Cycles, asking if he had any early Ritchey-brazed bullmoose bars. He responded “no,” prompting me to ask if he had any large bikes he was looking to sell. He responded with “actually… yes.”

Grove Gathering: Grove Innovations Prototype Hardcore
Photos and words by Jarrod Bunk

Earlier this year, Martin from Second Spin and Justin from Freeze Thaw Cycles schemed about an event that would let them share their mutual love for Grove Innovations and get together some Grove owners for a ride and party or shred-n-show if you will, that event was the first Grove Innovations Gathering.

Grove Innovations might not be a household name if you live outside of Pennsylvania, but Bill Grove and his team were innovators that tried some new things that many others wouldn’t dare for the sake of creating a bombproof bike. The oversized  2″ 4130 downtube and straight blade fork made for an extremely precise steering bike with a stiff bottom bracket junction that allowed the pilot to put power into the ground and control it over all types of terrain.  The hardcore, at its inception, was an east coast bike if there ever were one, playful, rugged and capable of hucking off a loading dock as well as ripping over log-laden single track.  With a 13.5″ bottom bracket, and integrated bash guard that even protected all 44 teeth on the big ring, the hardcore could make short work of the rugged rocky terrain of which this bike was born. Most of the builds done on groves of this vintage ran durable parts in favor of early 90s anodized bling. Each frameset came with a set of Hammerhead bars as well, and bottle cages painted to match, albeit this proto isn’t running the latter.  Proof of the concept in durability is that this prototype is still being ridden nearly 30 years later.

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Follow Jarrod on Instagram and Second Spin on Instagram and Freeze Thaw Cycles on Instagram