Wish to attempt oversize derailleur pulleys however aren’t able to disassemble your total half to swap the cage? The brand new TRiPEAK Jetstream Professional OSPW equipment matches a large 18-tooth decrease pulley into your inventory derailleur through the use of a intelligent offset axle design.
The pulleys use a machined aluminum hub with a composite toothed loafer wheel spinning round it on ceramic bearings. This uneven design pushes the pulley ahead and as much as make room for its bigger diameter, letting you get the advantages of a bigger pulley with out having to severely modify your derailleur.
The bigger wheel means shallower chain angles for much less put on and friction, and their ceramic bearings spin extraordinarily freely, however…
…it ships with dry bearings, so that you’ll love the best way they spin out of the field. Nonetheless, the equipment features a small bottle of sunshine viscosity bearing lube that you just’ll want to use earlier than putting in them, after which clear and examine them periodically.
The hub has a keyed design to lodge itself into the pulley cage, stopping the middle half from spinning contained in the cage. Relying on the mannequin, that key is perhaps on the internal or outer facet of the cage. And, totally different fashions have numerous tooth profiles – commonplace or slim/large.
Choices for many trendy 11- and 12-speed SRAM and Shimano derailleurs (street, gravel, mountain bike) are provided in all kinds of colours.
MSRP is $180 for the equipment, which features a standard-sized higher jockey wheel, additionally with ceramic bearings, and a 4-year guarantee.
