Tern - NBD S5i

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Tern NBD S5i — Belt Drive Ultra-Low-Step e-Bike *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; } :root { --black: #111110; --white: #fafaf8; --gray-100: #f 5f5f3; --gray-200: #e8e8e5; --gray-400: #a8a8a4; --gray-600: #6b6b67; --accent: #d95f2b; --accent-light: #f5e8e0; --font-sans: 'DM Sans', sans-serif; --font-mono: 'DM Mono', monospace; } body { font-family: var(--font-sans); background: var(--white); color: var(--black); min-height: 100vh; padding: 0; } .page { max-width: 760px; margin: 0 auto; padding: 3rem 2rem 5rem; } .breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--gray-400); font-family: var(--font-mono); margin-bottom: 2.5rem; letter-spacing: 0.02em; flex-wrap: wrap; } .breadcrumb span { color: var(--gray-200); } .product-header { margin-bottom: 2rem; } .badge-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 0.75rem; } .badge { display: inline-block; font-size: 10px; font-family: var(--font-mono); 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} .specs-table tr:hover td { background: var(--gray-100); } .specs-table td { padding: 9px 14px; background: var(--white); transition: background 0.1s; vertical-align: top; } .specs-table td:first-child { color: var(--gray-600); font-family: var(--font-mono); font-size: 11px; width: 42%; letter-spacing: 0.01em; } .specs-table td:last-child { color: var(--black); font-weight: 500; } .colours { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 2rem; } .colour-chip { display: flex; align-items: center; gap: 8px; font-size: 13px; font-family: var(--font-mono); padding: 6px 14px 6px 10px; border: 1px solid var(--gray-200); border-radius: 4px; color: var(--black); background: var(--white); } .colour-swatch { width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.1); flex-shrink: 0; } .price-row { display: flex; align-items: baseline; gap: 12px; margin-bottom: 0.4rem; } .price { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; color: var(--black); } .price-note { font-size: 12px; color: var(--gray-400); font-family: var(--font-mono); } .sku { font-size: 11px; color: var(--gray-400); font-family: var(--font-mono); letter-spacing: 0.04em; margin-bottom: 2rem; } .footer-line { border-top: 1px solid var(--gray-200); padding-top: 1.5rem; font-size: 12px; color: var(--gray-400); font-family: var(--font-mono); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; } @media (max-width: 560px) { h1 { font-size: 26px; } .stats { grid-template-columns: repeat(2, 1fr); } .page { padding: 2rem 1.25rem 4rem; } } e-bikes / commuter & family e-bikes / NBD S5i Tern Commuter e-Bike Gen 1 Ultra-Low Step Belt Drive Foldable EFBE Certified NBD S5i · Gen 1 · 1×5 IGH · Gates Belt · Bosch Performance Line NBD S5i The clean, quiet NBD — Gates belt drive, Shimano Nexus 5-speed hub, Magura brakes, and a stronger motor. Same ultra-low step, zero maintenance drivetrain. $5,999 CAD · Sale Price 39 cm standover height 500 Wh equipped battery 140 kg max GVW 51–118 km (500 Wh equipped) estimated range The NBD S5i takes everything that makes the P8i so accessible and adds the polish of a premium drivetrain. Gates Carbon Drive CDX belt replaces the chain — no grease, no lube, no noise. The Shimano Nexus INTER-5E e-bike specific hub gives you 5 smooth gears that shift at any speed, even at a standstill. Magura MT4 hydraulic brakes replace Shimano's for more powerful stopping. And the Bosch Performance Line motor steps up to 65 Nm and 300% assist, paired with a larger 500 Wh battery for up to 118 km of range. Same 39 cm step-over, same folding frame, significantly more bike. Highlights 39 cm ultra-low standover — same as P8i The S5i shares the NBD's defining feature — a 39 cm (15.4") step-over height that makes getting on and off effortless for all riders, regardless of height, age, or mobility. No high top tube to navigate. Gates Carbon Drive CDX belt — zero maintenance No chain, no grease, no lube — ever. The Gates CDX belt is silent, clean, rust-proof, and built to outlast any chain. Paired with the Nexus INTER-5E hub, it's the cleanest, most carefree drivetrain on the NBD lineup. Shimano Nexus INTER-5E — e-bike specific 5-speed IGH The INTER-5E is Shimano's internally geared hub built specifically for e-bikes — handles the higher torque loads with ease. 5 evenly spaced gears shift at any speed or cadence, including at a complete standstill. No derailleur to adjust, ever. Bosch Performance Line — 65 Nm, 300% assist A meaningful step up from the Active Line Plus on the P8i — 65 Nm of torque and 300% assist make hills and loaded starts noticeably easier, while still feeling smooth and natural rather than aggressive. Magura MT4 hydraulic disc brakes Upgraded from Shimano hydraulics on the P8i to Magura MT4 — more braking power and feel for confident stops at any speed, with or without a passenger on the rack. 500 Wh battery — 51–118 km range 25% more battery capacity than the P8i (500 Wh vs 400 Wh) for significantly longer range — handles longer commutes and errand runs without anxiety about charge. RideEasy suspension seatpost — air cartridge, preload adjustable An upgraded version of the RideEasy seatpost from the P8i — includes an air cartridge and preload adjustment so you can dial in the suspension feel to your weight and preference. Gaia Rack — 27 kg, child seat compatible Rated to 27 kg (60 lb) and compatible with many child seats. Supports vertical parking when folded — store the bike upright in tight spaces. Folds in 5 seconds · fits 147–190 cm Folds to 38×156×79 cm in ~5 seconds. Physis 3D handlepost and Andros adjustable stem fit riders from 4'10" to 6'3" without tools. Available colours Dark Bronze Red E-System Motor Bosch Performance Line, 65 Nm, 300% assist Battery system Bosch PowerPack (legacy system) Battery (equipped) 500 Wh Bosch PowerPack Dual-battery Not available Range 51–118 km (32–74 mi) Display Bosch Intuvia, 4-mode, walk assist Charger Bosch Standard Charger Drivetrain Shifter Shimano, 5-speed Rear hub Shimano Nexus INTER-5E, internally geared, e-bike specific Belt Gates Carbon Drive CDX Crankset Tern NBD custom, Gates CDX CNC machined beltring Cog Gates CDX, precision CNC machined Gear range 34"–90" (2.75–7.22 m) Pedals MKS Platform, Tern custom design Brakes Front brake Magura MT4 hydraulic disc Rear brake Magura MT4 hydraulic disc Levers Magura hydraulic Wheels & Tires Front hub Shimano disc Rear hub Shimano Nexus INTER-5E Rims Kinetix Comp, for disc Tires Schwalbe Big Apple Performance Line, 55-406, puncture protection, Reflex Spokes Stainless steel Frame & Cockpit Frame Tern NBD, 6061-AL, patented design, EFBE Tri-Test approved: 140 kg Fork Tern Tarsus, 6061-AL, hydroformed, EFBE approved: 140 kg Handlepost Tern Physis 3D, 3D forged, 5 patented technologies, 12°, 350mm Stem Tern Andros, adjustable, forged, patented technology Handlebar Tern Sweep, 6061-AL, Tern Andros adapted Headset Tern Flux by FSA, cartridge bearings, Physis integrated Saddle Tern Upright by Velo Seatpost Tern RideEasy Suspension, 34.9mm, air cartridge, preload adjustable Grips Ergon Load & Capacity Max GVW 140 kg (309 lb) Max rider weight 120 kg (265 lb) Rack capacity 27 kg (60 lb) Rack Gaia Rack — child seat compatible, vertical parking Kickstand Ursus, rear mount Rider height range 147–190 cm (4'10"–6'3") Frame sizes One size Dimensions & Folding Standover height 39 cm (15.4 in) Folded size 38×156×79 cm (15×61.4×31.1 in) Fold time ~5 seconds Weight 23.4 kg (51.6 lb) Extras Front light Tern Valo Direct, 190 lumens Rear light Herrmans Fenders SplashGuard, stainless hardware Chainguard Tern custom, full chain cover Frame lock ABUS, keyed-alike with Bosch battery Luggage socket Combo Mount Bell Aluminium $5,999 CAD · Sale Price Tern NBD S5i · Gen 1 · One Size · Dark Bronze / Red Tern Bicycles © 2026 NBD S5i Gen 1 Show more