Bike Top Jockey Wheel

Am i the only one who gets some sort of perverse joy from seeing a jockey wheel worn to a shuriken star.
Bike top jockey wheel. A deore xt m730 mtb mech from the early 1990s that can also cope with a 34t cassette sprocket has 10t upper and lower. Putting the jockey wheels back in and one has deep cut teeth the other quite shallow more rounded teeth. Design for outdoor bike. They spin very fast up to 400 rpm and can wear down over time this can result in inaccurate shifting.
Type wheel rear derailleur pulleys. Because jockey wheels can easily outlast multiple chains overhauling the bearings is a good practice especially for those who don t want to spend 16 on a new set several times per season or those who invested top dollar in jockey wheels with ceramic bearings. With options including high performance ceramic you ll find the perfect jockey wheel for your bike. The jockey or pulley wheels on your bike do the job of both moving the chain across the cassette as well as keeping the chain tensioned.
In the process they turn thousands of times and get pretty. If they perform ok i ll probably go for the ultralight ones on the race bike. Jockey wheels guide the chain through the rear derailleur. I can see swapping out the usual grey ceramic jockey wheels for an anodized alloy one to match the look of the rest of the bike but i can t see any possible performance related reason to do so.
Jockey wheels seem like the most pointless thing to upgrade on a bike. Merlin stock manufacturer replacements and a selection of aftermarket jockey wheels coloured jockey wheels can brighten up a standard rear derailleur. Back in 1976 roger durham claimed that the reduced friction in his red anodised bullseye jockey wheels pulleys could save you the equivalent of a 100ft climb over 100 miles. Bike cycling aluminium jockey wheel rear derailleur pulley 11t.