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Proterra Light I25 650b Disc Brake Wheel

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Why We Like The Proterra Light I25 650b Disc Brake Wheel

Whether we're exploring new local routes or embarking on a multi-day backcountry ride, the WTB Proterra Light Wheels are a reliable companion for our 650b adventure bike. Made of dependable 6069 alloy, the Proterra's offer a compliant feel that's built for the long haul. They're laced up with 28 spokes to WTB's quick-engaging Frequency hubs, and are ready for tubeless tires right out of the box.


  • Aluminum 650b wheels for gravel and all-road riding
  • 25mm rim width supports high-volume "road plus" tires
  • Frequency hub offers 5-degrees between engagement points
  • Laced by hand at WTB's California facility
  • 28-spokes with 3-cross lacing so we can ride the rough stuff
  • A solid nylon strip under the tubeless tape improves the interface with the tire
  • Item #WTBF153
Rim Material
6069 aluminum
Wheel Size
Rim Depth
Rim Width
[internal] 25mm, [external] 29mm
Brake Compatibility
centerlock disc
WTB Frequency
Front Axle
12 x 100mm
Rear Axle
12 x 142mm
3-cross lacing
Spoke Nipple
Spoke Count
28 / 28
Max Rider Weight
Claimed Weight
Manufacturer Warranty
2 years
tape installed, valve stem, cassette spacer
gravel, all-road

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