The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and reliable wheels. Designed to make drive train and endcap conversions simple and straight forward

1.25 deg/288 Points of Engagement from eight 3-step pawls phased in teams of two on a 72-tooth drive ring
Feeling of instant and rock-solid freehub engagement
Pawls are driven by magnets which pull harder as they get closer to the drive ring and minimize drag while coasting
Magnetic freehub design results in fewer moving parts and no springs
Optimized hub geometry to balance spoke tension
Angled and tall flanges create a more direct spoke path and maximize torsional stiffness
6-Lock is a improved six-bolt design that gives versatility to run Center Lock
No lock ring, only T25 Torx hardware
Easily converts from six bolt to Center Lock
Fully anodized 7075 aluminum axles
Universal end cap and bearing configuration across all drivers and axle sizes
Made in Canada
Model: G3
Front/Rear: rear
Axle/Spacing: 12x142mm Thru Axle
Cassette/Driver: Sram XDR
Hole: 28h
Color: Black

Project321 G3 12mm XDR 6-Lock Disc Rear Hub

142mm x 12mm TA x 32 Hole, Sram XDR (Black)	Add to Wheelkit

Project321 G3 Micro Spline 6-Lock Disc Rear Hub - 148mm Boost Hub Spacing

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and ...read more

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and reliable wheels. Designed to make drive train and endcap conversions simple and straight forward

1.25 deg/288 Points of Engagement from eight 3-step pawls phased in teams of two on a 72-tooth drive ring
Feeling of instant and rock-solid freehub engagement
Pawls are driven by magnets which pull harder as they get closer to the drive ring and minimize drag while coasting
Magnetic freehub design results in fewer moving parts and no springs
Optimized hub geometry to balance spoke tension
Angled and tall flanges create a more direct spoke path and maximize torsional stiffness
6-Lock is a improved six-bolt design that gives versatility to run Center Lock
No lock ring, only T25 Torx hardware
Easily converts from six bolt to Center Lock
Fully anodized 7075 aluminum axles
Universal end cap and bearing configuration across all drivers and axle sizes
Made in Canada
Model: G3
Front/Rear: rear
Axle/Spacing: 12x148mm "Boost" Thru Axle
Cassette/Driver: Shimano Micro Spline
Hole: 32h
Color: Black

Project321 G3 Micro Spline 6-Lock Disc Rear Hub - 148mm Boost Hub Spacing

148mm x 12mm "Boost" TA x 32 Hole, Shimano Micro Spline (Black)	Add to Wheelkit

Project321 G3 XDR 6-Lock Disc Rear Hub - 148mm Boost Hub Spacing

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and ...read more

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and reliable wheels. Designed to make drive train and endcap conversions simple and straight forward

1.25 deg/288 Points of Engagement from eight 3-step pawls phased in teams of two on a 72-tooth drive ring
Feeling of instant and rock-solid freehub engagement
Pawls are driven by magnets which pull harder as they get closer to the drive ring and minimize drag while coasting
Magnetic freehub design results in fewer moving parts and no springs
Optimized hub geometry to balance spoke tension
Angled and tall flanges create a more direct spoke path and maximize torsional stiffness
6-Lock is a improved six-bolt design that gives versatility to run Center Lock
No lock ring, only T25 Torx hardware
Easily converts from six bolt to Center Lock
Fully anodized 7075 aluminum axles
Universal end cap and bearing configuration across all drivers and axle sizes
Made in Canada
Model: G3
Front/Rear: rear
Axle/Spacing: 12x148mm "Boost" Thru Axle
Cassette/Driver: Sram XDR
Hole: choose; 28h, or 32h

Project321 G3 XDR 6-Lock Disc Rear Hub - 148mm Boost Hub Spacing

148mm x 12mm "Boost" TA x 28 Hole, Sram XDR (Black)	Add to Wheelkit
148mm x 12mm "Boost" TA x 28 Hole, Sram XDR (Maple)	Add to Wheelkit
148mm x 12mm "Boost" TA x 28 Hole, Sram XDR (Silver)	Add to Wheelkit
148mm x 12mm "Boost" TA x 28 Hole, Sram XDR (Ultra Violet)	Add to Watchlist
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Black)	Add to Wheelkit
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Flat Earth)	Add to Wheelkit
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Maple)	Add to Wheelkit
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Ruby)	Add to Wheelkit
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Silver)	Add to Wheelkit
148mm x 12mm "Boost" TA x 32 Hole, Sram XDR (Ultra Violet)	Add to Watchlist

Project321 G3 Micro Spline XDR 6-Lock Disc Rr Hub - 157mm "Super Boost" Hub Spacing

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and ...read more

The Project 321 G3 hub shell is the ideal foundation for incredibly stiff, responsive, and reliable wheels. Designed to make drive train and endcap conversions simple and straight forward

1.25 deg/288 Points of Engagement from eight 3-step pawls phased in teams of two on a 72-tooth drive ring
Feeling of instant and rock-solid freehub engagement
Pawls are driven by magnets which pull harder as they get closer to the drive ring and minimize drag while coasting
Magnetic freehub design results in fewer moving parts and no springs
Optimized hub geometry to balance spoke tension
Angled and tall flanges create a more direct spoke path and maximize torsional stiffness
6-Lock is a improved six-bolt design that gives versatility to run Center Lock
No lock ring, only T25 Torx hardware
Easily converts from six bolt to Center Lock
Fully anodized 7075 aluminum axles
Universal end cap and bearing configuration across all drivers and axle sizes
Made in Canada
Model: G3
Front/Rear: rear
Axle/Spacing: 12x157mm "Super Boost" Thru Axle
Cassette/Driver: Sram XDR
Hole: 32h

Project321 G3 Micro Spline XDR 6-Lock Disc Rr Hub - 157mm "Super Boost" Hub Spacing

157mm x 12mm "Super Boost" TA x 32 Hole, Sram XDR (Black)	Add to Watchlist

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Universal Cycles Company LLC

Oregon • Pennsylvania • Nevada • Colorado

800-936-5156

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12330 SW Walker Road
Beaverton, OR 97005-1403
503.943.6152
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246 Granite Run Drive
Lancaster, PA 17601-6804

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