Proterra Light i23 wheels check all the boxes for a fast and light alloy wheelset. The 23mm inner rim width provides the optimal tire profile for adventure road and gravel tires ranging from 30-42mm. Its open-cavity profile features thin, weight-optimized walls that provide the perfect blend of stiffness, resilience and efficiency. Subdued graphics on a bead blast finish ensure these wheels won't clash with the colors of your dream bike. We didn't skimp on hubs either. Top-tier EZO bearings, a swift 6-pawl freehub and 3.7 degrees of engagement provide the look, sound and feel you expect of a high-end tubeless wheelset. FEATURES: 23mm inner rim width with 28 spokes laced in a 3-cross pattern. 6069 aluminum alloy rim. TCS 2.0 tubeless-ready. Sapim Secure Lock 14-gauge alloy nipples minimize rotational weight while double butted 2.0/1.8/2.0mm J-bend spokes make replacement a breeze. Tubeless tape, Solid Strip and black alloy valves are preinstalled, making the wheels ready for tubeless tires the moment they arrive on your doorstep. The TCS 2.0 Solid Strip is a durable strip that lies beneath the tape, prevents it from sagging at the spoke holes, makes it easier to mount a tire and protects from puncture in the case of a broken spoke. Centerlock rotor mounts. Rear wheels are available with Shimano HG 11spd or SRAM XDR driver bodies. TESTIMONIALS: "The PNW provides the ultimate testing grounds for bike components, especially hubs. Mud, grit, rinse and repeat become the routine for 9 months out of the year. Nothing is safe from the intrusion of water, yet somehow my Proterra wheels have been trouble-free for the past year and show no signs of letting up any time soon. I'm confident they'll endure many more soggy miles and post-ride washes." - Tester Mark "Donny" Allison after thousands of miles. TECH: USAGE: Adventure Road / Gravel / Cyclocross SPECIFICATIONS: (Max spoke tension range: 110-120KgF) Wheel Diameter Position Spacing Spoke Holes Driver Body Rotor Mount Inner Rim Width Rim ERD* Weight** Max Rider Weight Part Number 700 Front 12x100mm*** 28-hole n/a Centerlock 23mm 606 817g 265lbs W045-0238 700 Rear 12x142mm 28-hole SRAM XDR Centerlock 23mm 606 966g 265lbs W045-0240 700 Rear 12x142mm 28-hole Shimano HG 11spd Centerlock 23mm 606 966g 265lbs W045-0239 *Proterra hub dimensions can be found on our Resources and User Manuals page. **Proterra wheel weights include the Solid Strip, tubeless tape and valve installed on each wheel.
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