Tern BYB S11 Folding Bike 20″ Wheel – Matte Silver

Tern BYB S11 Folding Bike 20″ Wheel – Matte Silver

Compact, clever and ready for life on the move – the Tern BYB S11 Folding Bike blends urban agility with thoughtful design. This 20″ folding bike is purpose-built for city streets, commuting, campus travel or wherever your day takes you.

The BYB’s innovative folding system lets you collapse the bike down in seconds, making it easy to carry, store in tight spaces or take on public transport. With its sturdy yet compact frame and 20″ wheels, the BYB delivers confident handling and a smooth ride, whether you’re weaving through traffic or cruising down bike paths.

Equipped with an 11-speed drivetrain, the BYB S11 gives you a wide range of gears for tackling varied terrain — from flat city streets to rolling hills — with quick, precise shifting. The ergonomic ride position and quality components ensure a comfortable experience, even on longer journeys.

Designed for riders who demand utility without sacrificing performance, the Tern BYB S11 is ideal for commuters, apartment-dwellers, travellers and anyone who wants a bike that’s as flexible as their lifestyle.

Key Features:

• Speeds: 1 x 11
• Weight: 12.7 kg (28 lb)
• Gear Inches: 32″ – 94″ (2.57 – 7.48 m)
• Frame Sizes: One size
• Folding Size: 33 × 81 × 51 cm (13 × 31.9 × 20.1 in)
• Folding Time: 30 seconds
• Distance: Seatpost to Handlebar: 63 – 67.5 cm (24.8 – 26.6 in)
• Suggested Rider Height: 147 – 195 cm (57.9 – 76.8 in)
• Max Gross Vehicle Weight: 120 kg (264.6 lb)
• Max Rider Weight: 105 kg (231.5 lb)
• Frame: Tern BYB, Aluminum, TriFold patented technology, EFBE tested: ISO 4210
• Fork: Tern Tarsus, 6061-AL, hydroformed
• 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
• 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
• Front Wheel: Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H
• Rear Wheel: Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H
• Tyres: Schwalbe Marathon Racer, 40-406, puncture protection, Reflex
• Shifter(s): Shimano 105, 1 x 11 spd
• Front Derailleur: n/a
• Rear Derailleur: Shimano 105, 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
• Bell: Pitch, brass
• Chainguard: Hebie
• Kickstand: Premium center mount
• Clip System: Anchor Bolt
• Luggage Socket: Combo Mount
• Fenders: SKS, stainless hardware
• Rack(s): Tern Metro Transit Rack; Max load weight: 20 kg (44 lb)
• Accessory: Pedal Holder