Hope Technology
Hope Technology

Hope Pro 4 148mm Boost Rear Hub

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Item #: HU204B02
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Hope Pro 4 148mm Boost Rear Hub

Hope Pro hubs have gained a reputation for being exceptionally versatile, as they can be adapted to just about any axle size and cassette arrangement. Holding true to tradition and building upon the charms of the Pro 2 series hubs, Hope Pro 4 series hubs come to us highly refined, with large flange diameters to improve wheel stiffness, and also allow more interior room for a bigger ratcheting ring, now biting with 44 teeth for a noticeable improvement in engagement speed, equating to snappier accelerations and an overall more responsive ride.

Additionally, the freehub body has been lengthened to accommodate the ever-so-popular 11-speed cassettes from Shimano and SRAM. Knowing that none of this would mean anything if the hub's innards didn't hold up to the rigors of riding, Hope didn't hesitate to use a bigger inboard freehub body bearing to improve durability. All of these new features come with little-to-no change in weight over the Pro 2 hubs.

The wide-design 148mm Boost employs dedicated hub shells built with broader spoke flange spacing that play nicely with Hopes new Boost-specific chainrings that feature 3mm offsets to maintain a proper chainline.

Features:

  • 4-pawl ratchet with 44 teeth for an 8.2-degree freehub engagement
  • Sealed stainless steel cartridge bearings for improved durability
  • Machined from forged 2014 T6 aluminum billet keeps the weight low
  • Wider spoke flange than previous Hope Pro Hubs, to enable stiffer wheel builds
  • Unsurpassed reliability keeping you rolling reliably for seasons to come
SPECIFICATIONS
Hub Spacing 12x148mm (Boost)
Approximate Weight 311 grams (Shimano HG)
Freehub Body Shimano HG 10/11-speed, or SRAM XD
Brake Rotor Compatibility 6-bolt

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CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals including (Cadmium, Phthalates, Bisphenol, Nickel (Metallic), di(2-ethylhexyl)phthalate "DEHP"), which is known to the State of California to cause cancer and/or cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.

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