Zéfal were showing off these clever QR skewers at Eurobike. Inside the lever there’s a locking pin, which secures the lever when the bike is standing on its wheels. Turn the bike upside down and the ever unlocks, allowing you to remove the wheels and seatpost. It’s a good half-way-house between a full locking system and a normal QR – if you’re bike’s locked to something there’s no way that a thief can make off with your wheels. We’ve some concerns about the UK-friendliness of the system: obviously it involves hard-to-get-at moving parts inside a part of the bike that’s subjected to plenty of road spray, and if anything seizes it’s going to seize in the locked position. We’d need some winter miles before we’d be prepared to say it was a four-season solution to your wheel-nicking woes, but it looks like a nice simple anti-theft bonus.
Zéfal locking skewers
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Does anyone know if this trainer has a 'race mode ' , that's ten hertz transmission rate. Thanks.
I have great news for everyone: as long as your derailleur has pulleys with proper bearings (i.e., not the bushings found in cheaper RDs) then your cage already has "almost zero friction". This is especially true because the return part of your chain has virtually no tension on it, so you don't need to spend any money on an "upgrade". Just go ride your bike, and "ride up grades" instead of buying them.
This racing incident is certainly not what cost her the jersey, so she shouldn't be whining or placing blame anywhere else but with herself. She had plenty of time after the incident to come back, but she looked totally spent and was lucky to be with the Italian, who towed her to the line.
Even if she doesn't win the GC, she has had a terrific tour. A great win on Ventoux, Almost snatching a sprint stage and a super time trial performance.
@Rendel Harris indeed, but there have been a few other changes also eg. the protection of children. Sandboys are no longer employed, I thought? And thus not run over drunk in the streets. (But I may have missed a change when BJ was mayor?)
The basic upright bike is indeed supremely practical (ideally built with sturdy metal frame, equipped with mudguards, rack, perhaps baskets and kickstand etc). But that doesn't seem to be what most professionals are racing? It's an open question whether a modern pro would win eg. the TdF on a (faired?) recumbent benefitting from the developmental efforts that modern bikes have received. Would the aero and comfort benefits outweigh the likely weight disadvantage? Given what we know of the huge aero benefits of group riding perhaps uprights might still edge it? However the reason it's still an open question is that it was resolved on the flat a long time ago and as a result the UCI acted and amended the rules to effectively disqualify recumbents! (Perhaps in part to protect the interests of builders of upright bikes).
Thats racing, I like Kasia but she didn't position herself well nor have the legs yesterday.
Kasia should consider herself fortunate that Longoborghini (apologies for spelling). was willing to tow her to the line, or she would have lost even more time - she was not strong enough to do a turn on the front of the chase.
https://x.com/hetiskoers/status/2086180569352716750
I wanted Kasia to hold on but there's nothing conclusive on the video and even if she was baulked, intentionally or otherwise, it could only have cost her a couple of seconds, not seventeen. It's a very serious allegation; hopefully it was just made in the heat of the moment and in the cold light of day she might withdraw it. ETA Some extra fan footage on Twitter, it's a big load of nothing as far as I can see, Kasia and Gery were both trying to hold Vollering's wheel, they both went too fast into the corner side-by-side and Kasia, being on the outside, got the worst of it. No foul. Link in next comment.
1 thought on “Zéfal locking skewers”
Very interesting, Bit of a
Very interesting, Bit of a pain in the ass to turn your bike upside down everytime. I do like the idea of locking QR’s though