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Project 321 Bicycle Rear Hubs

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Showing 20 products:

Project 321 Super Boost Loud Disc R Hub, 32h,12 x 157mm (XD) - Blk
Project 321 Super Boost Loud Disc R Hub, 32h,12 x 157mm (XD) - Blk

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

Currently Sold Out

your price $415.00

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (XD) - Red
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (XD) - Red

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

Currently Sold Out

your price $415.00

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (MS) - Gold
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (MS) - Gold

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

Currently Sold Out

your price $415.00

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 28h, 12 x 148mm (HG) - Blk
Project 321 Boost Loud IS-Disc Rear Hub, 28h, 12 x 148mm (HG) - Blk

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

Currently Sold Out

your price $415.00

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (XD) - Turq
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12 x 148mm (XD) - Turq

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

Currently Sold Out

your price $415.00

InfoInfo
Project 321 Super Boost Loud Disc R Hub, 28h,12x157mm (XD) - Black
Project 321 Super Boost Loud Disc R Hub, 28h,12x157mm (XD) - Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Orange
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Orange

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Purple
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Purple

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Gold
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Gold

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Blue
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (XD) - Blue

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 28h,12x148mm(MicroSpline) - Black
Project 321 Boost Loud IS-Disc Rear Hub, 28h,12x148mm(MicroSpline) - Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 28h, 12x148mm (XD) - Black
Project 321 Boost Loud IS-Disc Rear Hub, 28h, 12x148mm (XD) - Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm, Micro Spline
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm, Micro Spline

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (HG)
Project 321 Boost Loud IS-Disc Rear Hub, 32h,12x148mm (HG)

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Quiet IS-Disc Rear Hub, 32h,12x148mm (MS) - Blk
Project 321 Boost Quiet IS-Disc Rear Hub, 32h,12x148mm (MS) - Blk

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Quiet IS-Disc Rear Hub, 28h, 12x148mm XD, Black
Project 321 Boost Quiet IS-Disc Rear Hub, 28h, 12x148mm XD, Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Quiet IS-Disc Rear Hub, 32h, 12x148mm XD, Black
Project 321 Boost Quiet IS-Disc Rear Hub, 32h, 12x148mm XD, Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Quiet IS-Disc Rear Hub, 28H,12 x 148mm MicroSpline, Black
Project 321 Boost Quiet IS-Disc Rear Hub, 28H,12 x 148mm MicroSpline, Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Quiet IS-Disc Rear Hub, 32H,12 x 148mm HG, Black
Project 321 Boost Quiet IS-Disc Rear Hub, 32H,12 x 148mm HG, Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo
Project 321 Boost Loud IS-Disc Rear Hub, 32h, 12 x 148mm XD, Black
Project 321 Boost Loud IS-Disc Rear Hub, 32h, 12 x 148mm XD, Black

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

Currently Sold Out

your price $415.00 + ships free

InfoInfo

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.

12 x 157 axles are often called "Super Boost"

This is the part number or identifier for this item from the manufacturer

12mm Thru x 148 thru axles are often called "Boost"

This should correspond to the type of brakes you have on the bike.

10x1 Threaded x 120mm

10x1 Threaded x 130mm

10x1 Threaded x 135mm

12mm Thru x 135mm

12mm Thru x 142mm

3/8" Threaded x 135mm

QR x 126mm

QR x 130mm, often called QR or Quick-Release road standard.

QR x 135mm, often called QR or Quick-Release mountain / hybrid standard.

3/8" Threaded x 126mm

QR x 170mm

12mm Thru x 197mm

12mm Thru x 177mm

3/8" Threaded x 170mm

3/8" Threaded x 130mm

QR x 141mm

12mm Thru x 150mm

3/8" Threaded x 148mm axle

3/8" Threaded x 142mm

3/8" Threaded x 117mm

14mm Threaded x 135mm

12mm Thru x 190mm

12mm Thru x 170mm

Buy this product and your entire order ships for free.

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