Hope Pro 4 ISO Boost Rear Hub

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The Hope Pro 4 ISO Rear hub shares the same benchmark quality as Hope's standard Pro 4 rear hub but in a wider flange design to take advantage of Boost frame spacing. Stainless steel cartridge bearings and large axle diameter keep the Pro 4 rolling smooth. 

The Pro 4 rear hub is produced from a forged 2014 T6 aluminum billet then CNC machined to final dimensions. 

IMPORTANT NOTE: Hope hubs are currently available by special order only with a 10-12 week estimated lead time.  We currently have 28H Boost hubsets in Black or Turquoise in stock. 

Additional Information:

  • Weight: 311g +/- 5%
  • Hole Count: 28, 32, 36
  • Axles: 148x12mm TA Boost 
  • Bearings: 2 x 6903, 2 x MR17287
  • Brake Compatibility: ISO 6-Bolt 
  • Drive Compatibility: Shimano 11 Road (inc. 9/10 Spd spacer), SRAM XD
  • Gearbox: 4-Pawl-44 POE (8.2 degrees) 
  • Available in six colors
  • Non-Boost option available here
  • Wheel building dimensions:
    • Flange diameter: 57mm
    • Center to flange non drive side: 35mm
    • Center to flange drive side: 22mm

Inventory Note: We stock a wide variety of Hope hubs, however our inventory fluctuates daily. We may need to order hubs with an average lead time of 7-14 business days. Some hubs may take longer. If your order is time sensitive we encourage you to contact us for up to the minute product availability and shipping lead times.

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