Bikes up to 60% offWe monitor over 40,000 bikes daily to find the best prices

Today’s Deals

2026 Bross

ZENITH PLUME 9I

A carbon frame aero bike with ultra high-end components and shimano dura-ace hydraulic disc brakes.
Compare the full range

FrameCarbon
ForkCarbon
Wheels700c Carbon
Drivetrain2 × 12 Electronic
GroupsetDura-Ace Di2
BrakesShimano Dura-Ace Hydraulic Disc
View on brossbikes.comLearn about Bross
Where to Buy
Similar Bikes
Top Comparison
Insights
Sizing
XXS

157cm – 167cm

XS

165cm – 173cm

SM

171cm – 179cm

MD

177cm – 185cm

LG

183cm – 191cm

XL

188cm – 197cm

XXL

194cm – 204cm

🐐 Estimated

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Geometry
Specs
Build
Frame

BROSS ZENITH CARBON PLUME carbon fiber frame, full internal cable routing, flat mount disc brakes, 142×12mm thru-axle, BSA threaded bottom bracket

BB StandardBSA, 68mm, Threaded

Fork

BROSS ZENITH CARBON PLUME carbon fiber fork, flat mount disc brakes, internal cable routing, 100×12mm thru-axle

Bottom Bracket

BSA, 68mm, threaded

Headset

BROSS ZENITH fully hidden internal cable routing headset, CERAMICSPEED® SLT ceramic bearings

Handlebar

BROSS CARBON AERO carbon fiber integrated full internal cable routing handlebar

Saddle

FIZIK 3D printed

Seatpost

BROSS ZENITH AERO, carbon fiber aero seatpost

TypeRigid

Groupset
Rear Derailleur

SHIMANO DURA-ACE RD-R9250

Front Derailleur

SHIMANO DURA-ACE FD-R9250

Crank

SHIMANO DURA-ACE FC-R9200

Shifters

SHIMANO DURA-ACE ST-R9270 2x12 speed

Cassette

SHIMANO DURA-ACE CS-R9200

Chain

SHIMANO DURA-ACE CN-M9100

Brakes

SHIMANO DURA-ACE BR-R9270 caliper brakes

TypeShimano Dura-Ace Hydraulic Disc

Brake Levers

SHIMANO DURA-ACE ST-R9270 2x12 speed

Wheels
Rims

BROSS BCD-5 55mm carbon fiber rim

Tires

CONTINENTAL GRAND PRIX 5000 STR folding tire

Disc Rotors

SHIMANO RT-CL900

Rider Notes
Riders Also Viewed

First added 16 April

Last updated 13 June