Tern BYB S11 Folding Bike 20”

Cars, buses, trains. Shops, escalators, elevators. Lockers, cabinets, checked-in luggage. The BYB lets you bring you bike just about everywhere.

The Tern BYB S11 Folding bike fits conveniently into lockers, closets, or any narrow space. It has a Metro Transit Rack with built-in spinner wheels for easier trolleying. Fold it up and take it with you anywhere and everywhere! The perfect bike for those who travel.

• 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
• Colour: Matt Silver
• Size: 20”
• 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
• Wheel size: 20”

Please Note: Due to ongoing issues in the supply chain, this bike is subject to specification changes without notice. Any changes made will be using equivalent or higher quality parts.

**Some minor assembly is required. See our video (below) or consult our assembly guide for assistance.

Unfortunately, we are not able to process faulty or warranty bike returns through our warehouse. If your bike develops a fault, please take it to your nearest GO Outdoors store where we have a full workshop and trained mechanics who will be able to assist you.

Please note, this excludes Hathersage and Southport stores.