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2026 Author

Charisma 66i

A carbon frame race bike with high-end components and shimano ultegra hydraulic disc brakes.
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Weight17.4 lbs  
FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetUltegra, Ultegra Di2
BrakesShimano Ultegra Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
Charisma 66i
Other Race bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

Charisma 66i

40 mph

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Highest gear

(descending)

Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'5"

Rider Fit Notes

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Geometry
Specs
Build
Frame

AUTHOR carbon Toray T800 monocoque, max tyre size 700 × 35c

ColorWhite / Silver

Fork

AUTHOR carbon Toray T800 monocoque, 1.5" tapered

Stem

FSA NS SMR-II

Handlebar

FSA K-Wing AGX, 420 / 440 mm

Saddle

PROLOGO Dimension SPACE Tirox

Seatpost

FSA K-Force SBO karbon (27.2)

TypeRigid

Groupset
Rear Derailleur

SHIMANO Ultegra Di2

Front Derailleur

SHIMANO Ultegra Di2

Crank

SHIMANO Ultegra, 50-34 teeth, 170 / 172,5 / 175 mm cranks

Shifters

SHIMANO Utegra Di2 (24)

Cassette

SHIMANO CS-R7100-12, 11-34 (12)

Chain

SHIMANO CN-M7100

Brakes

SHIMANO R8170, disc hydraulic (160/140 mm rotors)

TypeShimano Ultegra Hydraulic Disc

Wheels
Rims

MAVIC Cosmic S 42 Disc CL UST, wheel set, 24 holes

Spokes

MAVIC

Front Hub

MAVIC Cosmic S 42 Disc CL UST, wheel set, 24 holes, 12 × 100 mm thru front a×le, 12 × 142 mm rear a×le

Rear Hub

MAVIC Cosmic S 42 Disc CL UST, wheel set, 24 holes, 12 × 100 mm thru front a×le, 12 × 142 mm rear a×le

Tires

VITTORIA Corsa N.E×T TRL, folding, 700 × 28c

Rider Notes
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First added December 6

Last updated May 30