Not sure if it applies to all QR but in the booklet that came with my bike it says that you have to tighten the adjustment-nut on the other side of the QR to tighten it up. It specifically states NOT to turn the lever to tighten it. Just saying.
naz8901- well the problem with that is you are prob turning the nut to tight, you see when you push down the quick release lever it is the equivilent of turning the nut 2 or 3 times, so dont have the nut super tight, you want it to be a little hard to push down the lever but not the point where you need too push down with all of your weight
Campag are quite particular about the positioning of the lever. Also I check the pressure required by letting the wheel 'fall' to its natural heavy point. I do this before tightening either on a stand or upside down, and then afterwards it should be the same. When too tight it will often not reach this low point. In some cases this may lead to adjusting the bearing tension, as not all wheel building is the same?
While this is not a forum on bike mechanics, you are partially correct. A properly tightened QR will compress the hub assembly approx 0.6mm. This means the hub bearing adjustments must be done and then checked with this compression for proper operation. See Barnett's Manual for reference. ...alan
Great video. It's tough to capture the salient details in 1 minute. Only suggestion I'd offer, if an update is in consideration, would be to explicitly advise lining up the cam lever where it does not conflict with anything that might prevent it closing all the way. The demonstration is great on this ... just consider adding the words.
Alan, thanks for your comment. I trialled this vid on trade viewers first and I got some comments about 'protecting' the QR, esp on mountain bikes. Stray branches etc. However, advice from cycle engineers I respect says the clamping force of a QR (done up properly, of course) is way strong enough to resist ingress of 3rd-party objects. Your advice is sound, though and, in fact, adds to the assertion that maybe QRs shouldn't go too close to stays and forks?
re: objects in QR. While the QR may resist being snagged by junk, the rider may not be so lucky. A quick sideways wrenching of the front wheel could be disastrous. Good to avoid QR pointing forward.
re: QR overlap on stays, forks, etc. Many QR's won't close far enough to be secure if overlapped.
See Barnett's, 5th Ed, Vol 2, pg 18-14 to 20.
fyi... I'm a graduate of Barnett's Bicycle Institute, a bike mechanic, and a founding partner/instructor at Winterborne Bicycle Institute (www.winterbornebikes.com).
What you're doing is tremendous. If I can help at all in review, let me know.
Mom's Lips, hahaha. We call them Lawyer Tabs in the USA.
stopglobalswarming 8 months ago
That was a minute wasted. I need more info than that.
if7084 9 months ago
Not sure if it applies to all QR but in the booklet that came with my bike it says that you have to tighten the adjustment-nut on the other side of the QR to tighten it up. It specifically states NOT to turn the lever to tighten it. Just saying.
Timei 9 months ago
ON the London Skyride I happened upon a young lad with his rear tyre rubbing the nearside chain-stay. He didn't know how to operate the Q/R lever.
What about a video on the dangers of front disk brakes and Q/R levers? Isn't it about time the front caliper is mounted on top of the fork?
Q/R plus front disks plus rough surfaces [mountain bikes] are the required ingredients of a recipe for disaster, lawyers' lips or not.
pseudotruth 1 year ago
naz8901- well the problem with that is you are prob turning the nut to tight, you see when you push down the quick release lever it is the equivilent of turning the nut 2 or 3 times, so dont have the nut super tight, you want it to be a little hard to push down the lever but not the point where you need too push down with all of your weight
amarv1994 2 years ago
Really good demonstration thanks!
diegomarcogliese 2 years ago
thanks this video helped me to tighten up my wheel
ccclllsport 2 years ago
haha, i love how they give credit to Tullio as the qr guru
thatoneguy1990 3 years ago
I have problems with my quick release. I cant make it tight enough becuase the lever doesnt push down, and it doesnt align properly, help please
naz8901 4 years ago
Campag are quite particular about the positioning of the lever. Also I check the pressure required by letting the wheel 'fall' to its natural heavy point. I do this before tightening either on a stand or upside down, and then afterwards it should be the same. When too tight it will often not reach this low point. In some cases this may lead to adjusting the bearing tension, as not all wheel building is the same?
AussieLonginthetooth 5 years ago
While this is not a forum on bike mechanics, you are partially correct. A properly tightened QR will compress the hub assembly approx 0.6mm. This means the hub bearing adjustments must be done and then checked with this compression for proper operation. See Barnett's Manual for reference. ...alan
DigitalCyclist 5 years ago
Great video. It's tough to capture the salient details in 1 minute. Only suggestion I'd offer, if an update is in consideration, would be to explicitly advise lining up the cam lever where it does not conflict with anything that might prevent it closing all the way. The demonstration is great on this ... just consider adding the words.
Keep up the good work!
...alan
DigitalCyclist 5 years ago
Alan, thanks for your comment. I trialled this vid on trade viewers first and I got some comments about 'protecting' the QR, esp on mountain bikes. Stray branches etc. However, advice from cycle engineers I respect says the clamping force of a QR (done up properly, of course) is way strong enough to resist ingress of 3rd-party objects. Your advice is sound, though and, in fact, adds to the assertion that maybe QRs shouldn't go too close to stays and forks?
carltonreid 5 years ago
re: objects in QR. While the QR may resist being snagged by junk, the rider may not be so lucky. A quick sideways wrenching of the front wheel could be disastrous. Good to avoid QR pointing forward.
DigitalCyclist 5 years ago
re: QR overlap on stays, forks, etc. Many QR's won't close far enough to be secure if overlapped.
See Barnett's, 5th Ed, Vol 2, pg 18-14 to 20.
fyi... I'm a graduate of Barnett's Bicycle Institute, a bike mechanic, and a founding partner/instructor at Winterborne Bicycle Institute (www.winterbornebikes.com).
What you're doing is tremendous. If I can help at all in review, let me know.
DigitalCyclist 5 years ago
Thanks, I will do. There's a whole series to go online.
carltonreid 5 years ago
great video. Post more Carlton
cafedelgol 5 years ago