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Full Front & Rear

Suspension

Smoother ride, reducing fatigue

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4 Simple Steps to

Fold / Unfold

A compact performance folding bike

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Gen 3

Monocoque

Frame

Gen 3

Monoco- que

Frame

No hinges in the frame, no compromises in ride quality

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11-Speed

Shimano Dura Ace

Derailleur

Top of the line

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Juin-Tech

4 Piston Brakes

Increased braking power and modulation with higher heat dissipation

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Ergon GP2

Grips

Multiple hand positions, comfort for long rides

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Ergon SMC

Sport Gel Saddle

Performance and comfort for the long ride

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20"

JK C38C Wheelset

High-performance aerodynamic wheels

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DMR V12

Magnesium Pedals

Wide grip platform for maximum power transfer

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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.

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Birdy JK11 Ace 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 AL6061-22A Threaded Bottom Bracket

Chainwheel

Driveline ZELE-A11-OS BCD110 Crankset with 52T NW Chainring

Chain

Shimano 105 11-Speed Chain

Freewheel

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-Pistons Brakes (Black/Blue/Purple/Gold/Green)

Disc Rotor

Shimano 6-Bolt Disc Brake Rotor 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)

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Price Reset! Bike prices lowered by up to 10% + EXTRA 10% discount!
To ensure our bikes remain affordable and accessible, we're lowering bike prices by up to 10%. On top of this Price Reset, there’s an additional discount of up to 10% on all our bikes for a limited period! Not to mention, you’ll get a 10% discount on ALL accessories purchased with a bike!
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