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Project 321 Boost Rear


Price Range :: $415.00 - $517.00
Weight Range :: 282g
THIS ITEM IS ELIGIBLE FOR FREE SHIPPING.
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Description ::

Features: Project 321 Boost Rear Hubs
  • Material: Aluminum
  • Axle Type: 12mm Thru x 148mm Boost
  • Cassette Compatibility: Shimano HG 10...
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    2018, Project 321, Boost Rear



    Features: Project 321 Boost Rear Hubs
  • Material: Aluminum
  • Axle Type: 12mm Thru x 148mm Boost
  • Cassette Compatibility: Shimano HG 10/11-speed, SRAM XD 11/12-speed
  • Rotor Compatibility: 6 bolts
  • Bearings: High precision Japanese cartridge bearings, Enduro ceramic hybrid (+$102)
  • Spoke Count: 28H, 32H
  • Flange Diameter: 58mm left, 66mm right
  • Center to Flange Left: 34mm
  • Center to Flange Right: 24mm
  • Pawl Engagement Options: 6 pawls with 2 pawl engagement driver that yields 1.7° (216 POE) engagement, or 6 pawls with 3 pawl engagement option that yields 2.5° (144 POE) engagement
  • Quiet or loud pawl options
  • Colors: Black, Blue, Gold, Green, Pink, Purple, Orange, Red, Silver, Turquoise
  • Weight: 282.3g
  • Warranty: 10 years on hub shell and axle, 3 years on pawls, drive ring, and free hub body


  • Options:
    • Project 321 Boost Rear | Black | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Black | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Black | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Black | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Black | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Black | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Black | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Black | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Blue | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Blue | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Blue | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Blue | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Blue | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Blue | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Blue | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Blue | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Gold | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Gold | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Gold | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Gold | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Gold | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Gold | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Gold | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Gold | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Green | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Green | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Green | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Green | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Green | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Green | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Green | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Green | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Orange | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Orange | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Orange | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Orange | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Orange | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Orange | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Orange | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Orange | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Pink | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Pink | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Pink | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Pink | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Pink | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Pink | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Pink | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Pink | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Purple | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Purple | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Purple | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Purple | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Purple | SRAM | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Purple | Shimano | 32h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Purple | SRAM | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Purple | Shimano | 28h | 6 | 12x148/mm | Disc
    • Project 321 Boost Rear | Red | Shimano | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Red | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Red | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Red | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Red | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Red | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Red | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Red | Shimano | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Silver | Shimano | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Silver | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Silver | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Silver | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Silver | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Silver | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Silver | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Silver | Shimano | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Turquoise | Shimano | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Turquoise | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Turquoise | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Turquoise | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Turquoise | SRAM | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Turquoise | Shimano | 32h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Turquoise | SRAM | 28h | 0 | 12x148/mm | Disc
    • Project 321 Boost Rear | Enduro Ceramic Hybrid bearings Turquoise | Shimano | 28h | 0 | 12x148/mm | Disc

    SHIPPING

    • Free GROUND shipping for orders of $150 or more to the lower 48 states (excluding oversized items such as bike frames, wheelsets, etc.) Free shipping takes 7-10 days for delivery
    • Questions? USA call us at 1-866-497-3624; International call us at +1-510-841-4748 or email us at sales@wrenchscience.com

    RETURNS/EXCHANGE

    • 30 Days upon delivery of order – NO RESTOCKING FEES
    • Returned product(s) must be in unused, uninstalled, and with all original packaging material(s) and original packaging.
    • Wrench Science will cover return postage on faulty item(s) – Return Policy.
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