CyclingTips Digest: TdF Mayhem, 2022 Dura-Ace, Cycling's Banksy Moment, the Lightest SPD Shoe, Mechanic Tips & More

Jul 7, 2021 at 15:51
by Alicia Leggett  


What's going on in the curly bar world? CyclingTips Digest showcases articles from our sister site, CyclingTips. In each installment, you might find endurance coverage, power-to-weight ratios, gravel bike tech and, of course, lycra.




WHY TUBELESS TYRES CAN CAUSE SPOKE TENSION TO DROP
By: DAVE ROME

Did you know that a tubeless tyre puts more compression force on a hooked rim than one with a tube? That increased force effectively shrinks the diameter of the rim.

Most wheelbuilders worth their salt know this to be true and can prove it by measuring the drop in spoke tension. It’s not such an issue with the low tyre pressures seen in mountain biking and gravel riding, but it’s an entirely different story on the road where high pressures can commonly result in 10-20% drops in spoke tension.

(Read more.)
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WHY BAHRAIN VICTORIOUS REVEALED, AND THEN DESTROYED, ITS NEW TOUR DE FRANCE KIT
By: IAIN TRELOAR

In October 2018, the secretive artist Banksy made global headlines when one of his artworks, sold at a London auction for US$1.4 million, began shredding itself the second the gavel went down.

In a strange parallel, cycling seems to have just had its own Banksy moment.

But rather than one of the peloton’s edgier teams being behind the stunt, there was an unlikely perpetrator: Bahrain Victorious. At the Tour de France team presentation on Thursday, its team members wore a special one-off jersey – which was then destroyed, never to be seen again.

Why? That’s a short question with a somewhat longer answer, involving diabetes, obesity and NFTs.

(Read more.)
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NERD ALERT PODCAST: PREVENTING MECHANICALS WITH PRO WRENCH BRAD COPELAND
By: DAVE ROME

For this episode, tech editor Dave Rome rang up mechanic to the stars, Brad Copeland. As the personal mechanic for former cross country mountain bike world champion Kate Courtney, Brad is incredibly detailed in ensuring his riders are able to consistently get to the finish line. The lessons here are just as applicable to everyday road and gravel riders as they are to those racing mountain bike world cups.

(Read more.)
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LACHLAN MORTON IS BIKEPACKING THE ENTIRE TOUR DE FRANCE ROUTE, TRANSFERS INCLUDED
By: IAIN TRELOAR

Lachlan Morton has a long history of doing things his own way.

As the spearhead of the EF Education-Nippo team’s ‘alternative racing’ program, the Australian rider has competed in major gravel events like Unbound Gravel, crossed countries in ultra-endurance races, tackled Cape Epic, and for a time held the Everesting world record.

His newest challenge, though – they’re calling it the ‘Alt Tour’ – may be the most daunting yet.

(Read more.)
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I WANT YOU TO LOVE CRIT RACING LIKE I LOVE CRIT RACING
By: CALEY FRETZ

A single line from a conversation I had with L39ION’s Justin Williams a year ago still regularly runs through my head. “We failed the fixie kids,” he said.

A decade ago, there were thousands, tens of thousands, of kids on fixed gears in cities across the world. Black and brown and white and gay and straight and fast and slow, they loved bikes, loved the culture, and were looking for ways to become bike racers. And we didn’t really give them a chance.

That trend has waned somewhat, but the core of that failure remains. The most approachable, accessible, coolest type of bike racing is one that gets largely ignored by media outlets like this one and by the industry as a whole. Crit racing

(Read more.)
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SPECIALIZED S-WORKS EXOS EVO REVIEW: THE LIGHTEST OFF-ROAD SHOE?
By: DAVE ROME

Placing them onto the scales my eyes widened and I found myself doing a double-take. These do in fact have a tread and aren’t just a road shoe, right?

The scales read 502 grams for the pair (EU43), making the new Specialized S-Works Exos Evo the lightest SPD off-road shoe I’ve ever used.

This new mountain bike and gravel race shoe effectively combines the bottom half of the S-Works Recon off-road race shoe with the unique material-based upper of the feathery S-Works EXOS road shoe.

And as you’d expect for an S-Works shoe, such paltry weight doesn’t come cheap.

(Read more.)
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HOW TO MEASURE SEALED HEADSET BEARING SIZES
By: DAVE ROME

The bicycle headset is one of the most neglected components on any bike. Situated in the head tube of the frame, its role is to provide smooth and play-free turning of the handlebar, stem, and fork.

The headset sits in the line of fire of your dripping sweat and so professional mechanics are often greeted with bikes that creak from the front end, that have fork play, and that steer rough. In extreme cases that headset bearing wear or corrosion can lead to an unsafe fork steerer.

The actual process of servicing a modern sealed bearing headset isn’t a particularly advanced skill, but knowing what size bearing you need for replacement can be. By my count, there are over 45 sizes of sealed headset bearings on the market. The reality is that if you thought bottom bracket ‘standards’ were bad, you’re blissfully unaware of headsets and the various formats, fork diameters, and frame types they must fit.

(Read more.)
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SPOTLIGHT: GRANITE DESIGN CRICKET BELL REVIEW
By: JAMES HUANG

Regular readers of CyclingTips know that I’m a big proponent of bike bells. They’re super helpful on multi-use paths for giving slower-moving users some advance notice, and also great on singletrack when you don’t have excellent line-of-sight. I’ve long been a fan of the Spurcycle bell for its loud and piercing tone, but my wife loves her Timber bell, which can be set to an “always on” position for constant dinging on trails.

Granite Design’s new Cricket bell, however, is a hybrid of both.

(Read more.)
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BIKES OF UNBOUND GRAVEL: TWO THROWBACK SPECIALIZED DIVERGES
By: DAN CAVALLARI

The throwback graphics on Alison Tetrick and Ian Boswell’s Specialized Diverge bikes for Unbound Gravel look like they could fit right in as a set piece on Stranger Things, which is no accident.

The designs hearken back to the Specialized RockCombo, the Big Red S’s first official ‘gravel’ bike that hit the market back in 1989. Of course, these Diverges are modern machines equipped to help Tetrick, a former Unbound champ, and Boswell, a former road pro, reach the top step of the podium at Unbound Gravel. Tetrick won in 2017 and then came second in 2019, less than 17 minutes slower than winner Amity Rockwell.

(Read more.)
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Editorial note: This bike check was published the day of the 2021 race. Now, we know that Ian Boswell went ahead to win the 2021 event on the bike detailed here.




BIKES OF UNBOUND GRAVEL: LAUREN DE CRESCENZO’S RACE-WINNING COLNAGO G3-X
By: DAVE ROME

Two flat tyres didn’t stop American Lauren De Crescenzo from winning the women’s Unbound Gravel 200-mile (320 km) race. Coming from a road racing background (and a one-time holder of the women’s Everesting world record), De Crescenzo took the lead with 55 miles (89 km) to go and eventually built up a 16-minute gap over second-place finisher (and 2019 winner) Amity Rockwell (follow the link to see the bike Rockwell rode).

A member of the Cinch Elite cycling team, De Crescenzo rode a Colnago G3-X gravel bike for the event. Below is her bike, photographed after spending 12:06:49 on the Kansas gravel course.

(Read more.)
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2022 SHIMANO DURA-ACE DI2 IN THE WILD: WHAT’S THERE, WHAT’S MISSING, AND HIDDEN SECRETS
By: JAMES HUANG

Much speculation has circulated around the next generation of Shimano’s Dura-Ace Di2 flagship electronic road groupset — which will presumably be dubbed R9270 in this electronic, disc-brake version — but now we have some more concrete information courtesy of Team DSM riders (and pro photographer Dion Kerckhoffs/Cor Vos) at the recent Baloise Belgium Tour.

Shimano won’t officially comment on any of this, which means we still have an awful lot of questions. But we also now have a lot of answers, too.

Let’s go ahead and dive in, piece by piece.

(Read more.)
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PRO INTRODUCES CURVED VERSION OF THE STEALTH SADDLE, OVERHAULS THE ORIGINAL
By: DAVE ROME

Shimano’s accessory and cockpit component division, Pro Bike Gear, has just announced a revamp of its massively popular Stealth short-nose saddle range. There’s a new version with a shape that’s more curved than before, while the original Stealth has earned a facelift and structural change to bring it in line with Pro’s other recently updated saddles.

(Read more.)
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21 RIDERS WERE INJURED ON STAGE 1 OF THE TOUR DE FRANCE
By: MATT DE NEEF

Julian Alaphilippe (Deceuninck-QuickStep) won Saturday’s opening stage of the Tour de France in imperious style but the stage will be remembered as much for a couple of horrible crashes that brought much of the peloton down and sent many to the hospital.

The first crash, with around 45 km to go, was caused by a spectator holding a sign out into the roadway. Tony Martin (Jumbo-Visma) hit the sign and then the ground, and most of the peloton followed. The second crash happened at high speed with less than 10 km to go and was even more significant.

(Read more.)
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SPOTLIGHT: KING CAGE SIDE LOAD TITANIUM BOTTLE CAGE REVIEW
By: JAMES HUANG

Often copied but rarely equaled, King Cage bottle cages have earned a fervently loyal following over the years. The hollow titanium models are very light and yet hold bottles with remarkable security, while the wallet-friendly stainless steel ones hold nearly as well without being much heavier. Both sport a classic aesthetic that never goes out of style, and neither marks up bottles like cheaper aluminum cages.

(Read more.)
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Member since Jun 19, 2015
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44 Comments
  • 32 0
 That bikepacking story reminds me of something of my own. A bit more than 20 years ago (jesus, time flies!), in the high school we had a PE teacher who was always a bit weird, and didn't talk much. We only knew that from the few words he said now and then that he liked skiing and riding bikes. Even some other teachers made some silly remarks about him so he wasn't a recluse just with us.

But couple of years later, I was listening to the local radio station, and they actually had a interview with him (it took me a while to even recognize the voice). The thing he said really did awe me. To paraphrase: each year, when the school ended, he would go only with his bicycle all the way from Croatia to France, ride the TdF, and then come back home. Sometimes, he would just tour the Europe for weeks and weeks.

And all of this was more than 20 years ago, there were no mobile phones with GPS (the mobile phones were just getting to wider population), there were no bikes and gear which weighted next to nothing, no bike routes etc. Probably the only thing which didn't change from that time is the road bike geoWink It is just awesome what people can do with enough determination.
  • 12 2
 People have been cycling hundreds of miles for over a hundred years. My grandad rode all around England with his buddies when he was 16, riding his childhood bike with 3 gears, a couple of quid, and what I can only assume we're cheese sandwiches and bales of hay to sleep on.
  • 4 2
 @browner: Who sleeps on cheese sandwiches and bales of hay? Weird assumption you made there.
  • 3 1
 Why can't we downvote our own comments?
  • 11 0
 Ah crit racing..... absolutly sh*t scary! Like easily DH level scary but with less protection, more tarmac to land on and a far higher chance of being wiped out by another rider. All whilst your heart is attempting to rip itself out of your chest and you're legs are on fire..... oh, and no you can't slow down for that turn as nobody else is about to!
  • 4 0
 Having watched a couple of these live, yeah, it's something else. Get ready to ride your twitchy crit bike at the limit thru narrow 90 degree turns and hairpins, all while rubbing shoulders. The only format that seems scarier are those megavalanche type races or urban DH. The dude I went to watch ended up crashing out on the last lap b/c someone wiped in front of him and he had nowhere to go.
  • 1 0
 Nothing like a quick detour onto the grass after the rider in front catches a pedal on a corner!
  • 13 1
 ha! i wish i didnt see that.
  • 8 2
 Neglected headsets? Hmm pretty much the first update I usually make on any bike is a decent headset.

In my experience it’s the one component companies usually neglect, even on expensive builds. I guess they hope it goes unnoticed.

Yes, standardisation would be welcome. 44/56 inset FTW!
  • 25 5
 Why though? After your upgrade, is literally anything different about the performance of your bike? I get wanting a nicer headset that looks cool, or lasts longer, but to toss a perfectly serviceable OEM spec headset to replace it with one that'll last longer seems... Stupid.
  • 5 4
 @Glenngineer: Except that most OEM headsets are trash. The FSA that came in my Enduro lasted less than a season. Replaced with a Cane Creek 110 and I am now spending less time cleaning it because it seals better and the bearings are much smoother. So...not stupid.
  • 6 1
 @Glenngineer: as @rip8569 says- most oem headsets are crap. I keep them as spares. Occasions they come in handy, but often i give them to a bike mechanic friend who finds good use for them

I’ve often swapped out 110s and CK headsets between builds . Oem headsets simply do not compare
  • 2 0
 Completely agree, the acros headset only YT lasted about 4 months. My nukeproof digger headset lasted longer but soon gave up once it was being ridden in winter. The main thing I found is the seals are just inadequate
  • 10 5
 King cages...the most overrated bottle cage I've ever used. Got a pair for my fat bike forks, tossed bottles on my first test curb hop. I'm actually still using one on my Knolly, but the cap side lip has a nice groove wearing into it from my bottles. $5 no brand whatever cages work better and last longer.
  • 3 3
 Agreed. my king cage has lost 3 bottles in as many months. Fuckin lame.
  • 5 3
 Buys a far bike, complains about the cages. You can cold set King Cages to give you more retention. It takes 15s and you can do on the bike
  • 4 1
 Disagree. 7 King cages on various bikes for 15+ years – no issues yet.
  • 8 3
 I feel like I’ve gone through a Pinkbike wormhole. You mean people rides bikes on the road?
  • 6 1
 I hear its only to get from home to the trailhead.
  • 2 0
 @glenngineer surely as a Glenngineer, you’re aware of how awesome it is to bend those king cages around and not snap em. That’s why I like them! Haven’t had one for a bit, but I’ve loved the ones I’ve had.
  • 1 1
 I know right…
  • 2 0
 Yeah, it can be pretty fun. Weird, I know.
  • 1 0
 I have a set of road wheels I built up with Stan's infamous original Alpha 340s. The combination of a large rim bed surface area, light weight, and tubeless makes it almost impossible to find a compromise with regards to spoke tension. 28H, washers, and I still wouldn't run tubeless in the rear (but choose the tire carefully, due to the low profile bead hook a loose fitting tire with tube will blow off). The article is a good read, I guess Stan's had no clue when they designed them and it doesn't look like they still offer road rims.
  • 1 0
 Same experience with Stan's older ZTR 355 29" MTB rims. Wrestled some tight beaded tires on there and the spoke tension dropped by way too much without even putting air in. We measured it with a spoke tension meter and looked at each other for a minute straight with 'did that just happen?' faces.
  • 1 0
 I found the spoke tension article really interesting. Anecdotally, any time I'm building a wheel for a customer, particularly a rear for a DH or enduro bike, I'll insist that they provide me with the tire to be used so that I can account for tension drop during the initial build. I've found that lower profile, more "radially compliant" rims (looking at you, Flow Mk3) are particularly susceptible to dropping tension.
  • 2 0
 That bell looks intriguing. After 4 broken TimberBells I am sick of buying bells. I hope this one lasts.
  • 1 1
 the : We're Testing Filters for eMTB Content & Racing Disciplines , should have included road crap as an option... as it has been very often posted here now.
...and soon a butthurt roadie is going to replay to it.
  • 1 0
 The retro Diverge has the same colour scheme as the 1990 Apollo Blizzard, the bike that got me into mountain biking.
  • 2 0
 That's not like Banksy.
  • 1 2
 Yeah banksy is a db
  • 3 4
 Cannondale is coming out with 36 new pressfit headset standards next week.
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