Fitted these on my mtb to replace the originals, which were showing signs of wear. Come with various different bushes so you'll have no problems getting them to fit. Not much else to say, they spin round...
21 May 2016
Smooth, quiet, great shifting
I installed these on two Campy 10-speed rear derailleurs (Record and Chorus). The installation is easy, as the wheels are marked upper and lower. Instead of the stock upper wheels sliding back and forth on a bushing, it's simply narrower than the bottom wheel, which allows the chain to move slightly left-right on the teeth. Shifting performance is at least as good as the stock wheels and I found it easier to get the derailleur properly centered over the cogs. The new wheels are obviously smoother in the the repair stand, though I can't honestly say that I feel it on the road. What I do notice is that they've much quieter than some aluminum jockey wheels I've tried. Overall, they seem like a quality product for a reasonable price.
05 April 2016
came highly recommended by a friend. not a lot too say, they spin as they should, too early too comment on durability.
25 September 2015
Great value replacement for campag
No discernible difference in function versus original campag jockey wheels, but definitely more durable on a winter/commuting bike.
28 December 2014
nicely quiet rolling
No issues in fitting and no issues in operation so far.
Much quieter that the factory fitted product.
25 February 2014
Doing the job asked of it.
Quick and easy to fit. Running smoothly at the moment and coping with some muddy conditions. Doing the job I need them to.
07 February 2014
Excellent - smooth as...
Had these for several months and they are just great. Easy to fit and instantly made a difference to my drivetrain. If you feel the difference these make you won't believe me....yes they are that good.
17 December 2013
Fine for a few hundred miles, died after a cx race
I bought these jockeys since my old ones had several thousand miles of use and were beginning to be a bit shuriken-pointy. I was quite happy with the old ones which came with my Trek 7.3 FX, but these BBBs conked out after a few hundred miles, at the first rough treatment (admittedly, it was a -rather- muddy cross race, but still, I put my old ones through worse, many times)
The upper one no longer spins even a tiny bit, and the lower one requires quite a bit of force. If this had happened after a thousand miles or more, ok, maybe that's life, but these jockeys were really too young to die!
08 December 2013
Good quality, great price
worth paying extra for the ceramic bearings would recomend
31 August 2013
OK so far !
Not had them that long but seem to run fine despite a couple of muddy rides - did actually mis - read the info and ordered these for my SLX derailleur which should be an 11t wheel but they seem to run OK with 10t. Hopefully no seized bearings like my steel bearinged old ones !
28 November 2012
Works better than my Campagnolo original jockey wheels
30 September 2012
Long Lasting Bearings
I bought these last year and have done 2,500 to 3,000 miles with them.
After a year in all weathers the bearings are as smooth as when new. Unfortunately, the wheels them selves have worn out and I am replacing them due to shifting problems.
I am replacing them with the BBB Jockey Wheels but without the ceramic bearings which are half the price of the ceramic ones.
Only time will tell if they last as long without the ceramic bearings.
25 January 2012
An excellent replacement
I purchased these after I accidentally lost the center from one of the stock Shimano jockey wheels. Although smaller they are far superior having proper bearings, I have noticed gear shifting to be much smoother.
16 August 2011
functional, and comes with a pack of different bushes for a variety of gears.
12 August 2011
Hard to tell without dismantling - the races appear to be steel but don't know if they are ceramic lined - unlikely at this price so probably just the bearings are ceramic if that's what you were wondering.