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Metron 40 Disc Wheelset
Get a little more speed for your watts with the Metron 40 Disc Wheelset from Vision. It's fairly common knowledge that deep section wheels slice through the air easier, however, deeper wheels generally come with a weight penalty, while carbon fiber mitigates this significantly and also boosting stiffness. Using a refined airfoil shape, the wind stays better attached to the rim which creates less turbulence and drag in its wake. But, then there's the cost. Perhaps what impresses us the most with this wheelset is its World Tour-proven pedigree at a price that's around half of that from other brands.
These particular Metrons have a 40mm deep and 24.5mm width profile, honed from Vision's CFD and wind tunnel testing and are designed to reduce drag and hold speed while pairing better with the increasingly wider road rubber between 25 to 30mm wide. Further aerodynamic touches come from the reduced distance between the hub flanges, and the straight pull bladed spokes threading into its durable ABS nipples. The ABS nipples use a special self-locking design to keep spokes from loosening and thus, coming out of true. This results in a wheelset that's durable and will remain true for many seasons. We also like the 40's as its depth puts it in a sweet spot of aerodynamics without being a handful in blustery, crosswind days and keeps its fighting weight low enough for lumpy rides and even some serious climbing. Of course, they're plenty durable enough for everyday use as well.
Vision builds these wheels by hand and laces it an asymmetric 2:1 pattern front and rear with 21 spokes up front and 24 in the rear. By doubling up the spokes on the drive side rear and disc side front, it helps improve the power transfer and braking torque and allows the spoke tension to be higher on the reduced spoke side for better balancing of tension that’s inherent in dishing the wheels for a rotor or cassette. Speaking of cassettes, this version comes with an alloy Shimano/SRAM 11-speed road freehub body. To ensure smooth spinning for several seasons, the hubs are fitted with 6 sealed cartridge bearings total, with the rear receiving the angular contact variety providing proper bearing preload for smooth spinning and long life. The wheels include QR, 12, and 15mm Thru-Axle adapters for the front and QR and 12mm Thru-Axle ones for the rear.
- Backcountry Exclusive
- A carbon, 40mm depth tubeless, disc wheelset for racing and training
- Centerlock disc rotor mounts allow for powerful braking
- Extra light P.R.A. hubs house sealed cartridge bearings
- Shimano/SRAM compatible freehub works with 10 and 11-speed cassettes
- Aero bladed spokes further add to the aero package
- ABS self-locking nipples prevent loose spokes and untrue wheels
- Artisan built, entirely by hand
- Includes front and rear adapters for QR and thru-axles
- Item #VST001C