It's often the same story, attractive weight gains can be made with calipers, but are WW brakes that "sketchy", to the point where you shouldn't put them on a bike you'd use in fast group rides/sportives/racing in tight crits,etc... ?
In all racing situations, have your brakes responded well, or they were the cause of a crash, etc ...? Include your weight and the brake brand/model.
Hoping this might help me take a decision....
IMO the only time the calipers need to be good is when you are charging down a long steep switchback descent. Then it's a matter of hand fatigue.
wheelsONfire wrote: When we ride disc brakes the whole deal of braking is just like a leaving a fart. It happens and then it's over. Nothing planned and nothing to get nervous for.
I recently put a set of Planet X CNC lightweight calipers on my bike and was thrilled with the results. There's plenty of power there for any kind of riding. As with any caliper, the most important thing is to have very high quality brake pads and have them adjusted properly. With those in place, these calipers did very very well, especially when you consider the 102g each weight and price tag around £100-120.
..did a mini review of them on my blog if you're terribly bored..
http://anotherdooratthe.endoftheinterne ... ute-review
They're every bit as powerful as anything else I've used for a road brake..
Cycle related blog entries, including a few 5 minute reviews:
http://anotherdooratthe.endoftheinterne ... y/cycling/
The problem is the stronger return spring coupled with needing to squeeze the brake harder to get the same stopping power. I went back to 7800s. I'd already replaced the KCNC pads with DA pads.
I've never done a race that had anywhere near that much technical descending. So they'd be ok in races.
In non critical stopping areas they work just fine (training rides on familiar roads, bleeding off small amounts of speed in crits, etc). In critical area like panic stops, sudden decreasing radius turns on unfamiliar roads, or crash avoidance I have found myself with sore hands and a few close calls. As soon as I can afford a new set I am going EE's. Your experience may differ if you are lighter or don't push it much but in my opinion, while these CAN lock up a wheel, it takes A LOT of lever pressure and is not confidence inspiring at all.
For one changing the brake pads was a pain, although not all lightweight brakes share this problem (EE's) the Sram holders only take me about 5 seconds per pad versus several minutes.
The quick release is completely inadequate. It does not open wide enough or fast enough to facilitate quick wheel changes. Not only that but it's impossible to release the brakes while riding, and brake rub was a constant problem. Even with my 2.68 on an orc hub, which is my stiffest rear I need about 2mm per side of clearance, which was not possible with wider carbon rims. Could not even get my 808's to work. The Red brakes have an indexed quick release, so if I change a wheel, neutral service or otherwise, I can adjust accordingly and precisely. That also leads me to another problem which is the horrible barrel adjusters, which afford pretty much no actual adjustment.
All in all, pretty much a hug pain in the backside for 60 grams. I put the -G's on my non race bike, and they have been great for that, and I can't see too many problems with them for the recreational cyclist, but I would not try some WW calipers on my race bike again (ok, maybe some EE's or 970's if I could get 'em cheap enough).
I recently put a set of Planet X CNC lightweight calipers on my bike and was thrilled with the results. There's plenty of power there for any kind of riding. As with any caliper, the most important thing is to have very high quality brake pads and have them adjusted properly.
Another +1 for Planet-X brakes. They are freakishly light, and inexpensive; but actually work fine.
They are a little more difficult to adjust than some, and they save weight by not having a "quick release" lever.
The Gravitas have more power but the Ti's have enough that when coupled with SRAM levers I've not had a problem getting the rear wheel off the ground or hand fatigue on long descents.
They did not work as well with DA 7800 shifters IMHO but are even better with Campy record or the new shape Levers.
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