Project 321 Bicycle Hubs
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Showing 34 products:
Project 321 G3 MicroSpline Driver + Pawls, With 1.85mm Spacer 
BuyPART NUM 562449
Various drivers to fit G3 hubs 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer Item Specifications … read more
New
Project 321 G3X-MSAA
One remaining at this price
Ships Freeyour price $240.00 + ships free
BuyPART NUM 562449 
Project 321 G3 HG-R Driver+ Pawls, With 1.85mm Spacer BuyPART NUM 619944
Various drivers to fit G3 hubs 3rd party web sales (eBay, Amazon, etc.) are strictly prohibited by the manufacturer Item Specifications … read more
your price $240.00
BuyPART NUM 619944 
Project 321 Boost Disc Front Hub, 28h, 15TA x 110mm, Black 
Info
Comes standard with 2 ABEC 5 Enduro bearings Flange angles allow the spokes to only touch at the bend of the spoke and nowhere else create … read more
your price $185.00 + ships free
Info 
Project 321 Torque Cap Kit, Black Info
For use with RockShox forks featuring the 31mm diameter "Torque Cap" dropout for added stiffness Fits both 15x100mm and Boost 15x110mm … read more
your price $40.00 + ships free
Info 
Project 321 Super Boost Loud Disc R Hub, 32h,12 x 157mm (XD) - Blk Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Super Boost Loud Disc R Hub, 28h,12x157mm (XD) - Black Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51%less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Minispline Driver (No Pawls), 216 POE Info
An alternative driver that fits Shimano 12 speed cassettes Pawls not included Made in the USA Item Specifications description: … read more
your price $135.00 + ships free
Info 
Project 321 Lefty Econo 2.0/Supermax Hub, Black Info
Comes with a hub cap and Ti bolt Flange angles that allow the spokes to only touch at the bend of the spoke and nowhere else to create a … read more
your price $110.00 + ships free
Info 
Project 321 Lefty Econo 1.0 Hub, 28H, Black Info
Comes with a hub cap and Ti bolt Flange angles that allow the spokes to only touch at the bend of the spoke and nowhere else to create a … read more
your price $110.00 + ships free
Info 
Project 321 Boost Quiet IS-Disc Rear Hub, 32h,12x148mm (MS) - Blk Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Quiet IS-Disc Rear Hub, 32H,12 x 148mm HG, Black Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Quiet IS-Disc Rear Hub, 32h, 12x148mm XD, Black Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Quiet IS-Disc Rear Hub, 28H,12 x 148mm MicroSpline, Black Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Quiet IS-Disc Rear Hub, 28h, 12x148mm XD, Black Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm, Micro Spline Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Purple Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51%less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Orange Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51%less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Gold Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51%less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Blue Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51%less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (HG) Info
Very low drag freehub. Quiet pawls produce 68% less drag than previous system, loud pawls produce 51% less 6x2 pawl driver yields 1.7 deg … read more
your price $415.00 + ships free
Info 
These models are available for online purchasing and can be shipped directly to you.
Recently added to our product selection.
This is the part number or identifier for this item from the manufacturer
Limited quantities remaining.
We define color as the main color of the item. It may have accents or highlights in other colors.
The hub drilling is the number of spoke holes. It must match your rim spoke count.
This is hub spacing and is the width of the hub. It must match your fork specifications.
This should correspond to the type of brakes you have on the bike.
12 x 157 axles are often called "Super Boost"
12mm Thru x 148 thru axles are often called "Boost"
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.