Inversion Expert
Inversion The act or state or reversing the normal order, position or relationship of something.
With so many people on the highway it's hard to see where you are. Flip that perspective, turn it inside out, and rewind it back — what becomes visible on that forgotten gravel road? When clarity isn't given, you have to earn it. If you're prepared to grind the unpaved without perfect sight, the world doesn’t suddenly become clear — it's transparent.
- Gravel / All Road geometry in 4130 butted chromoly steel
- Lightweight carbon fiber fork
- 3 pack mounts on down tube and fork legs. Bottle mounts on seat tube and bottom of downtube. Bento box mount on top tube. Fender and rear rack mounts. Loads of storage.
- Shimano GRX 2x10 speed drivetrain with 11-36T cassette
- Tubeless ready rims & WTB tires
- Clears up to 700 x 50 tires
Designed for all-road and gravel riding, credit card touring, and light bikepacking, Inversion delivers speed, comfort, and adaptability across mixed terrain.
Breezer Bikes ship partially assembled from the factory. We always recommend that a trained mechanic build your bike, but if you follow the assembly video and take your time, you can build the bike yourself.
Watch Assembly Video
Full Equipment: Inversion Expert
Specifications
FRAME & FORK
Frame: Breezer 4130 Butted Chromoly Steel, 44mm headtube, 142mm rear spacing, UDH compatible, three pack mount on top of down tube and waterbottle mount on seat tube and bottom of down tube, bento box mount on to tube,fender and rear rack mount, flat mount disc brake
Fork: Breezer carbon fiber, 1 1/8 - 1 1/2 tapered steerer tube, three pack mount on each fork leg, fender mount, 12 x 100 thru axle dropout, 50mm offset, flat mount disc brake
DRIVETRAIN
Crankset: Alloy crank 165mm XS, 170mm S, 172.5mm M-L, 175mm XL-XXL, 46T alloy x 30T steel chainring
BB: Sealed cartridge bearing
Rear Derailleur: Shimano GRX 400 Shadow Plus, 10 speed
Front Derailleur: Shimano GRX 400
Right Shifter: Shimano GRX 400
Left Shifter: Shimano GRX 400
Cassette: Shimano HG50 11-36T, 10spd
Chain: KMC x10 EPT Anti Rust
WHEELSET
Rims: Alloy, doublewall, hookless, tubeless ready
Spokes: Pillar, 14 gauge
Hubs: Novatech, centerlock
Tires: WTB Vulpine 700 x 40 TCS Light/Fast Rolling 60 TPI
BRAKES
Brakes: Shimano GRX 400
Brake Levers: Shimano GRX 400
Rotors: Shimano centerlock
COCKPIT & CONTACT POINTS
Handlebar: Alloy, 400mm XS, 420mm S-M, 440mm, L-XL, 460mm XXL, 31.8 clamp diameter
Grips: Black anti-slip tape
Stem: 3D forged alloy, +/- 7°, 70mm XS-S, 80mm M-L, 90mm XL, 100mm XXL. 31.8 clamp
Headset: FSA
Saddle: Breezer Sport, steel rails
Seatpost: 6061 aluminum 27.2 x 300mm XS-L, 350mm XL-XXL
Seatpost Clamp: Alloy, 29.8mm
FIT & DETAILS
Color: Clear Night (Midnight Violet)
Weight: 30.4 lbs (Size Large)
Geometry
XS (48cm)
Seat Tube (C–T): 480
Effective Top Tube: 505
Head Tube Length: 100
Seat Tube Angle: 75°
Head Tube Angle: 68°
Chainstay Length: 435
Wheelbase: 1030.9
BB Drop: 72
Fork Offset: 50
Stack: 529.3
Reach: 363.2
Standover: 763
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 5'2"
Rider Max Height: 5'5"
S (52cm)
Seat Tube (C–T): 520
Effective Top Tube: 530
Head Tube Length: 120
Seat Tube Angle: 74.5°
Head Tube Angle: 70°
Chainstay Length: 435
Wheelbase: 1034.2
BB Drop: 72
Fork Offset: 50
Stack: 556.1
Reach: 375.8
Standover: 796
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 5'5"
Rider Max Height: 5'8"
M (54cm)
Seat Tube (C–T): 540
Effective Top Tube: 545
Head Tube Length: 140
Seat Tube Angle: 74.5°
Head Tube Angle: 70°
Chainstay Length: 435
Wheelbase: 1050.8
BB Drop: 72
Fork Offset: 50
Stack: 574.9
Reach: 385.6
Standover: 815
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 5'8"
Rider Max Height: 5'11"
L (56cm)
Seat Tube (C–T): 560
Effective Top Tube: 570
Head Tube Length: 160
Seat Tube Angle: 73.5°
Head Tube Angle: 70°
Chainstay Length: 435
Wheelbase: 1066.2
BB Drop: 72
Fork Offset: 50
Stack: 593.7
Reach: 394.1
Standover: 833
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 5'10"
Rider Max Height: 6'0"
XL (58cm)
Seat Tube (C–T): 580
Effective Top Tube: 590
Head Tube Length: 180
Seat Tube Angle: 73°
Head Tube Angle: 71°
Chainstay Length: 435
Wheelbase: 1070.9
BB Drop: 72
Fork Offset: 50
Stack: 616.8
Reach: 401.4
Standover: 854
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 6'0"
Rider Max Height: 6'2"
XXL (60cm)
Seat Tube (C–T): 600
Effective Top Tube: 610
Head Tube Length: 200
Seat Tube Angle: 72.6°
Head Tube Angle: 71°
Chainstay Length: 435
Wheelbase: 1086.8
BB Drop: 72
Fork Offset: 50
Stack: 635.7
Reach: 410.8
Standover: 871
Wheel Size: 700c
Seatpost Diameter mm: 27.2
Rider Min Height: 6'2"
Rider Max Height: 6'5"
Inversion Looks Out to See In
Nothing is hidden when nobody is watching.
On a clear night, there’s nothing left to hide behind. The air is still. The stars are sharp. The only thing left to examine is yourself.
One Road Ends. Another Begins.
Production and exctraction share the same road.
4130 butted steel tubing forms the Inversion framework—regulating flow through both gravel and cracked asphalt. Mounts across the frame and fork carry the water, gear, and fenders needed to push through the night shift. With clear conditions, the crossroads are visible. The direction is not.
Born In The Cosmos
All carbon on Earth is released from a star.
Including the carbon fork on the Inversion Expert. Its layered construction reduces front-end weight to refine the ride while a thru-axle sharpens steering. Transport the essentials with triple-pack mounts on both blades of the fork. We burn carbon to make light — and it hides the very stars that made it.
The Big Wheel Keeps Turning
The two on your bike should too.
Novatec centerlock hubs drive Breezer double-wall alloy, tubeless-ready rims 24 hours a day. WTB Riddler 700x37 tires manage pressure across loose gravel and fractured asphalt — because the entire system runs on what keeps it flowing.
What Keeps It All Moving
The system runs on people, not machines.
The Inversion Expert drivetrain is built to carry its passengers long distance—Shimano GRX 400 front and rear with a Shimano HG50 10-speed 11–36T cassette, and an alloy 46/30T crankset that burns your energy to fuel forward motion. From above you look down. From below you look up. Either way, it doesn’t revolve around you.
One Road Ends. Another Begins.
Production and exctraction share the same road.
4130 butted steel tubing forms the Inversion framework—regulating flow through both gravel and cracked asphalt. Mounts across the frame and fork carry the water, gear, and fenders needed to push through the night shift. With clear conditions, the crossroads are visible. The direction is not.
Born In The Cosmos
All carbon on Earth is released from a star.
Including the carbon fork on the Inversion Expert. Its layered construction reduces front-end weight to refine the ride while a thru-axle sharpens steering. Transport the essentials with triple-pack mounts on both blades of the fork. We burn carbon to make light — and it hides the very stars that made it.
The Big Wheel Keeps Turning
The two on your bike should too.
Novatec centerlock hubs drive Breezer double-wall alloy, tubeless-ready rims 24 hours a day. WTB Riddler 700x37 tires manage pressure across loose gravel and fractured asphalt — because the entire system runs on what keeps it flowing.
What Keeps It All Moving
The system runs on people, not machines.
The Inversion Expert drivetrain is built to carry its passengers long distance—Shimano GRX 400 front and rear with a Shimano HG50 10-speed 11–36T cassette, and an alloy 46/30T crankset that burns your energy to fuel forward motion. From above you look down. From below you look up. Either way, it doesn’t revolve around you.
The Inversion Process
Inversion Cafe
On Assignment through a thick and...
Inversion Comp
Actively Investigating a concerning...