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 introduces their Pro 4 series hubs which come to us refined with larger 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 Pro 4 rear hubs get upgraded with a longer freehub body that accommodates the ever so popular 11-speed cassettes from Shimano and SRAM. Not running 11-speed just yet? Fret not, as you'll still be able to use 8, 9, and 10 speed cassettes (with non-XD freehubs). Knowing that none of this would mean anything if the hub's innards didn't hold up to the rigors of the trail, Hope didn't hesitate to use a bigger inboard freehub body bearing to further improve durability. All of these new features come with little-to-no change in weight over the Pro 2 hubs, making a wise decision easy.
The 150mm model features a DH-specific hub shell with a shorter freehub body and an even wider spoke flange spacing that's designed to accept narrow DH cassettes from both Shimano and SRAM on standard freehubs, while conceiving wheels builds that are markedly stronger than many other conventional hubs.
4 Pawl Ratchet with 44 tooth engagement (8.2 deg)
Sealed Stainless Steel cartridge bearings for durability
Machined from forged 2014 T6 aluminum billet keeps weight low
Standard 6 bolt disc fitting
Enables maximum width of flanges to give stiffer wheel builds
Hub shell designed to accept narrow DH cassettes from both Shimano and Sram on standard freehub
Available in 32 and 36 hole drillings
Conversions available for QR, 10mm bolt in, 10mm, 12mm and 142x12 or 157x12mm thru axles
Freehub Options: 10/11spd Shimano freehub or SRAM XD
Spoke Offset and PCD
SPOKE PCD LEFT SIDE
SPOKE PCD RIGHT SIDE
OFFSET LEFT SIDE
OFFSET RIGHT SIDE
Pro 4 150mm Rear
Please note - 28, 32 and 36 hole hubs have the same PCD
2.6mm ID spoke hole drilling
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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