The Tern BYB S11 is a folding bicycle Tern BYB S11 Folding Bike with a 20" wheel size and a Matte Silver color:

The Tern BYB S11 is a folding bicycle  Tern BYB S11 Folding Bike with a 20" wheel size and a Matte Silver color

Cars, buses, trains. Shops, escalators, elevators. Lockers, cabinets, checked-in luggage.

The BYB lets you bring you bike just about everywhere.

The facts:

• 35% smaller than traditional 20" Tern folding bikes
• Fits conveniently into lockers, closets, or any narrow space
• Metro Transit Rack with built-in spinner wheels for easier trolleying
• 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

Specification

Colour: Matt Silver

Frame: Aluminium, TriFold patented technology, EFBE tested: ISO 4210

Cable Routing: External

Fork: Tarsus, 6061-AL, Hydroformed

Brakes: Tektro V, Swivel Link, Race Pad

Shifters: Shimano Ultegra, 1 x 11 spd

Rear Derailleur: Shimano Ultegra, Shadow

Front Derailleur:

Crankset: FSA Gossamer Pro, 54T MegaEVO BB386

Cassette/Freewheel: Shimano 105, 11-32T

Chain: Shimano, 11 spd

Number of Gears: 11

Bottom Bracket: FSA, BB-EVO8681

Wheelset: Kinetix Pro Disc, Shimano Centerlock

Tyres: Kinetix Pro X, Paired Spoke Technology, Straight-Pull Design, 16H

Handlebars: Physis RF, 3D forged, 5 Patented Technologies

Stem: Tern Andros (G2), Adjustable, Forged Construction, Patented Technology

Bar Tape/Grips: BioLogic Arx w/ T-Tool

Saddle: Ergon SMC30 Pro, TiNox Rails

Seat Post: Telescope, 34.9/30.9 mm, 2014-AL

Pedals: MKS UB-LITE EZY

Kickstand: Premium Center Mount

Bell Type: Pitch, Brass