evo.com | Race Face Wheels > If you've been left out of the mountain bike genre taxonomy discussion, consider yourself lucky. Without spending any precious time worrying about whether you're a trail or all-mountain rider, you've been able to just ride your bike. A Race Face Aeffect R Boost Wheel will fit your genre, luckily, because it'll pretty much do anything up to bike park duty. Solid aluminum rims on dependable rims? Sounds like they're made for mountain biking! Trace Hub The new Trace Hub doesn't need flash or gimmicks. Highlights include durable cartridge bearings, no-nonsense 10-degree engagement, a tough steel axle, and all relevant cassette body options. This hub will get the job done, ride after ride. Internal Width 30 mm 28 Spokes 15 x 110 Boost Sizing 12 x 148mm Boost Sizing | Race Face Aeffect R Boost Wheel 29 2026 - 15x110 Front | Aluminum