This test summarizes my experience with three Aerozine Titanium products. This Taiwanese company specializes in hi-tech cranksets, bottom brackets, seatposts and handlebars, as well as smaller pieces such as ultralight quick releases, seat clamps and various titanium screws. Don´t expect a significant change in your speed or riding experience; yet, every gram matters and why not spend a few dollars to make your bike look good?
The first piece of Aerozine hardware I have tested are ultralight XQ 1.0 quick releases. Do you think this component is simple enough that it needs no more improvements? You´ll be surprised! This inconspicuous jewel weighs just 20/23 grams (front/rear one) and, if it comes to design, is number one among quick releases on the market. Its 100/135 mm axle is made of lightweight yet strong M5 titanium and both ends of CNC-machined 7075-T6 aluminium. What catches your eye first are two-part clamping handles with decent logo and Open/Close signs. If you want to save your bike a few extra grams, you can remove the levers, but as they are the most spectacular and beautiful part of this component, I recommend not to.
Many internet reviewers state that ultralight quick releases often experience problems with self-slackening and annoying noise while pedalling. Well, this is not the case of Aerozine as mine has been working seamlessly for 3 years now. So far, I have experienced no issues and as for the stiffness, they seem comparable with other lightweight quick releases as well as the original Shimano ones. However, due to the fixed axle on my front wheel, I have so far used the component on the rear wheel only.
The XQ 1.0 quick releases can be purchased for approx. 50 USD and are available in 8 colours including black and gold.
The second reviewed component is an ultralight Aerozine XSC 2.0 seat clamp made of a single piece of 7075-T6 aluminium with a titanium screw and nut. Its overlapping upper edge facilitates a secure fit on the seat tube. The component weighs just 15 grams and its design is again very skilful.
My experience with this product is very good even after many rides. If fastened correctly (I recommend using a torque wrench), my carbon seatpost does not move a millimetre and I have so far detected no annoying noise or other nuisance. The only minus is the screw and nut construction instead of a screw fastened inside the clamp body only. Every time I fasten the clamp I must thus use a hex key as well as a screwdriver that will prevent the nut from spinning. So be patient if having to fasten the clamp more often and don´t forget to pack a flat tip screwdriver or a multi-purpose knife if going for a longer ride.
If you need a lightweight and good-looking seat clamp and don´t move your seat regularly, Aerozine XSC 2.0 may be the right one for you. The price ranges around 40 USD with a few colours to choose from. The available diameters are 31.8 and 34.9 mm.
The last tested products are Aerozine PL 1.0 pulleys compatible with Shimano, SRAM and Campagnolo products. For some 45 USD you´ll get two pulleys (11.6 grams both, i.e. about 9 grams lighter than Shimano originals). Like the products mentioned above, you also get a beautiful piece of 7074-T6 aluminium with minimum material used. You can choose from steel or ceramic bearings (the ceramic ones for extra 40 USD).
Pulley replacement takes you just 5 minutes and you are ready to go! Compared to classical plastic Shimano pulleys, the Aerozine ones seem a little less noisy with the same gear-changing experience. There seems to be no difference between the speed and accuracy of gear changing between the two products, but thanks to the minimum material used, the Aerozine ones catch less dirt and dust. So even after 2 years and 4,500 km of use, they still work and look great.
Just like the first two products, I can recommend the pulleys for those who want to polish up their bike for a little money and save some grams.
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