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BIRDY JK11 Ace

The JK11 Ace is customised for unparalleled performance, with a top-of-the-line 11-speed Shimano Dura Ace derailleur for silky-smooth, responsive shifting. It features Ergon GP2 grips and a SMC Sport Gel saddle for maximum comfort over long rides, along with 20-inch JK C38C high-performance aerodynamic wheels. All these combine with the trademark Birdy front & rear suspension system and sleek monocoque frame to form a superbly quick and comfortable ride.

Full Rear and Front Suspension

The birdy JK11 Ace Foldable bike comes with full front and rear suspension

Smoother ride, reducing fatigue

20"JK C38C Wheelset

The birdy JK11 Ace Foldable bike comes with Joseph Kuosac C383 carbon wheelset

High-performance aerodynamic wheels

4 simple steps to fold / unfold

The Birdy JK11 Road foldable bicycle folds and unfolds in 4 simple steps

A compact performance folding bike

11-Speed Shimano Dura Ace Derailleur

The birdy JK11 Ace Foldable bike uses the Shimano Dura Ace 11s Rear Derailleur

Top of the line

Juin-Tech 4 Piston Brakes

The birdy JK11 Ace Foldable bike comes with Juin Tech 4 piston cable actuated hydraulic disc brake

Increased braking power and modulation with higher heat dissipation

Ergon GP2 Grips

The birdy JK11 Ace Foldable bike comes with Ergon GP2 grips

Multiple hand positions, comfort for long rides

Ergon SMC Sport Gel Saddle

The birdy JK11 Ace Foldable bike comes with Ergon SMC Sport Gel Saddle

Performance and comfort for the long ride

DMR V12 Magnesium Pedals

The birdy JK11 Ace Foldable bike comes with DMR V12 Magnesium pedals

Wide grip platform for maximum power transfer

Gen 3 Monocoque Frame

The birdy JK11 Ace Foldable bike has a single monocoque frame design

No hinges in the frame, no compromises in ride quality

Full Front & Rear Suspension

Smoother ride,reducing fatigue

The birdy JK11 Ace Foldable bike comes with full front and rear suspension

20"JK C38C Wheelset

High-performance aerodynamic wheels

The birdy JK11 Ace Foldable bike comes with Joseph Kuosac C383 carbon wheelset

4 Simple Steps to Fold / Unfold

A compact performance folding bike

The birdy JK11 Ace Foldable bike folds in 4 simple steps

11-Speed Shimano Dura Ace Derailleur

Top of the line

The birdy JK11 Ace Foldable bike uses the Shimano Dura Ace 11s Rear Derailleur

Juin-Tech 4 Piston Brakes

Increased braking power and modulation with higher heat dissipation

The birdy JK11 Ace Foldable bike comes with Juin Tech 4 piston cable actuated hydraulic disc brake

Ergon GP2 Grips

Multiple hand positions, comfort for long rides

The birdy JK11 Ace Foldable bike comes with Ergon GP2 grips

Ergon SMC Sport Gel Saddle

Performance and comfort for the long ride

The birdy JK11 Ace Foldable bike comes with Ergon SMC Sport Gel Saddle

DMR V12 Magnesium Pedals

Wide grip platform for maximum power transfer

The birdy JK11 Ace Foldable bike comes with DMR V12 Magnesium pedals

Gen 3 Monocoque Frame

No hinges in the frame, no compromises in ride quality

The birdy JK11 Ace Foldable bike has a single monocoque frame design

GETTING KNOW THE Birdy JK11 Ace

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SPECIFICATIONS

Frame

Frame

Birdy G3 Monocoque 7005-T6 Aluminum

Fork

Hydroformed Front Suspension Fork w/ Disc Brake Mount

Rear suspension

95D PU Elastomer

Drive Train

Bottom Bracket

Driveline Shimano Hollowtech II compatible threaded 68mm

Chainwheel

Driveline ZELE-A11-OS BCD110 Crankset with 52T NW Chainring, Shimano Hollowtech II compatible

Chain

Shimano 105 11-Speed Chain

Cassette

Shimano Ultegra CS-R8000 11-Speed Cassette 11-28T

Derailleur

Shimano Dura Ace R9100SS 11-Speed Short Cage Rear Derailleur

Shifter

Shimano RS700 11-Speed Flat Bar Shifter

Brakes

Brakes

Juin-Tech GT 4-Piston Brakes (Black/Blue/Purple/Gold/Green)

Disc Rotor

Shimano 6-Bolt 160mm

Brake Lever

Shimano BL-R780 Flat Bar Brake Levers

Wheels

Tyre

20″-406 Schwalbe ONE

Rim

20″-406 Joseph Kuosac C38C Carbon Rim / Black Labels

Hub

Joseph Kuosac Front 24 / Rear 24 Disc Brake Hubs

Cockpit

Head Sets

Semi Integrated 1-1/8″

Grips

Ergon GP2-L Grips

Handlebar

Horizon AL6061T6 Butted, 31.8x540mm 10D

Stem

New Birdy Double Lock, Telescopic 10 Degree Stem

Seat

Seat Post

Birdy SP61R.1 34.9mm AL7075 Hard Anodized w/ Laser Scale

Saddle

Ergon SMC Sport Gel Saddle

Accessories

Pedals

DMR V12 Magnesium Pedal (350g)

Chain Tensioner

PCI Chain Tensioner

Bell

Bell (Black)

Dimensions

Estimated Dimensions

Folded: 68cm(H) x 38cm(W) x 84cm(L)

Rider Height

145 – 185cm

Weight

Weight

10.9kg (incl. saddle & pedals)

Max Load

110kg (incl. rider & luggage)

Add important notes:
1. Specifications are subject to change without notice.
2. Images are for illustration purposes only. Please refer to the specifications.

JK11 Ace components:

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