BYB S11

BYB S11

Bring Your Bike
$2,499.00
  • 30% smaller than traditional 20” folding bikes
  • Fits conveniently into lockers, closets, or any narrow space
  • Metro Transit Rack with built-in spinner wheels for easier trolleying
  • Fits riders from 4’10” – 6’5”
  • New TFL Joint with 3D interface, DeadBolt design and SpringLock technology
  • New 3D-forged Physis RF Handlepost
  • Kinetix Pro X wheels with paired spoke technology
  • 11-speed Shimano Ultegra, Shadow RD derailleur
Photo may show optional accessories.
Matte Silver
20" wheels
Around Town
Top-Tier

Product Reviews

CyclingTips

The Tern BYB is purpose-built to be a bike you never have to be without, and it served that role exceptionally well during my trip to the Eurobike trade show in Germany.Read more

4 stars

Bikeradar

The BYB S11 offers one of the best rides of any folding bike out there thanks to its stiff frame design, long wheelbase and 20-inch wheels.

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Bike World News

Its compact size, yet full size ride feel is a great way to get around a city.

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Radwelt

“Ein besonderer Clou sind die Rollen am Gepäckträger. Aufgerichtet und am ausgefalteten Lenker lässt es sich wie ein Trolley ziehen und erspart so längere Tragestrecken.”

[A special highlight are the spinner wheels on the rear rack. The folded bike can be pulled by the unfolded handlebars like a trolley and thus saves longer carrying distances.]

Bicycling

The BYB’s larger wheels give it a smooth, uncompromised ride and better stability than smaller-diameter wheels.

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Bicycling Magazine

The BYB is definitely the heartiest folding bike I’ve ever ridden. There’s an overriding sensation of stability I’ve not found in other folding bikes, and the ride feels more like a non-folding bike.
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4 stars

Bike Radar

One of the best handling folders around, if you want ride quality over everything else get this.
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Radfahren.de

Das Tern BYB kann mehr als nur Pendler-Einsätze. Sogar Ausflüge sind drin.
[The Tern BYB can do more than commuter missions. Even bike touring is possible.]
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Forbes

And, highly unusual for the bicycle industry, the BYB will be available to buy just a few weeks after launch. Normally, new bicycle models are launched some months before availability.
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Focus Online

An Klapprädern mit großen Laufrädern stört meist ein üppiges Packmaß. Das neue BYB von Tern macht da eine erfreuliche Ausnahme.
[On folding bikes with large wheels, the unreasonable folded package is annoying. The new BYB from Tern is a pleasant exception.]
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Specifications

General Info
Color:
Matte Silver
Wheel Size:
20" wheels
Speeds:
1 x 11
Weight:

27.9 lb fully-equipped

Folding Size:
13.0" x 31.9" x 20.1"
Folding Time:
30 seconds
Frame Sizes:
One size
Gear Inches:
32" - 94"
Distance: Seatpost to Handlebar:
Min: 24.8"; Max: 26.6"
Distance: Saddle to Pedal:
Max: 40.7"
Suggested Rider Height:
4'10" - 6'5"
Max Load Weight:
231 lb
Frame
Frame:
Tern BYB, Aluminum, TriFold patented technology, EFBE tested: ISO 4210
Fork:
Tern Tarsus, 6061-AL, hydroformed
Cockpit
Handlepost:
Tern Physis RF, 3D forged, 5 patented technologies
Stem:
Tern Andros (G2), adjustable, forged construction, patented technology
Headset:
Flux Pro, angular contact bearings, Physis integrated
Handlebar:
Kinetix Pro X, double-butted 7050-AL, Andros adapted
Grips/Bar Tape:
Ergon GS1 Leichtbau
Saddle:
Ergon SMC30 Pro, TiNox Rails
Seatpost:
Tern Telescope, 34.9/30.9 mm, 2014-AL
Seatpost Clamp:
Oversize, 6061-AL, 2pc
Brakes
Front Brake:
Tektro V, swivel link, race pad
Rear Brake:
Tektro V, swivel link, race pad
Brake Levers:
Shimano
Brake Cable & Housing:
Jagwire, anti-compression housing, slick cables, Slick Lube liner, alloy ferrules
Wheels
Front Wheel:
Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H
Rear Wheel:
Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H
Tires:
Schwalbe Marathon Racer, 40-406, puncture protection, Reflex
Transmission
Shifter(s):
Shimano Ultegra, 1 x 11 spd
Front Derailleur:
n/a
Rear Derailleur:
Shimano Ultegra, Shadow RD
Crankset:
Crankset, FSA Gossamer Pro, 54T MegaEVO BB386
Cassette/Freewheel:
Shimano 105, 11-32T
Bottom Bracket:
FSA, BB-EVO8681
Chain:
Shimano, 11 spd
Pedals:
MKS UB-LITE EZY
Shifter Cable & Housing:
Jagwire LEX-SL, slick treatment, alloy ferrules
Bells & Whistles
Bell:
Pitch, brass
Chainguard:
Hebie
Kickstand:
Premium center mount
Clip System:
AnchorBolt
Luggage Socket:
Yes
Fenders:
SKS, stainless hardware
Rack(s):
Tern Metro Transit Rack
Accessory:
Pedal Holder