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Compare Tern HSD S8i vs. Tern Vektron P7i

This is a side-by-side comparison of the specs of the HSD S8i vs. the Vektron P7i. Differences are highlighted in yellow.
Item HSD S8i Vektron P7i
Item image Item image
Electric? Yes [x] Yes [x]
Battery capacity 400Wh [x] 400Wh [x]
Weight 25.4kg [x] 22.5kg [x]
Colour Limon Tundra [x] / HSD Red [x] / Black [x] Blue [x] / Grey [x] / Gunmetal [x]
Fork aluminium strength 6061 [x]
Power 250W [x]
Suggested rider height to 195m [x] / from 150m [x] to 195m [x] / from 147m [x]
Maximum fork load 170 [x]
Maximum gross vehicle weight 170kg [x]
Folded length 163cm [x] 86cm [x]
Maximum range 110km [x] 130km [x] (400Wh option)
Maximum rider weight 120kg [x]
Maximum load 105kg [x]
Highest gear 95 [x] 91 [x]
Folded height 86cm [x] 68cm [x]
Minimum range 42km [x] 50km [x] (400Wh option)
Folded width 40cm [x] 41cm [x]
Maximum torque 40Nm [x]
Lowest gear 31 [x] 37 [x]
Voltage 36V [x]
Maximum speed 25km/h [x] 25km/h [x]
Wheel size 20" [x] 20" [x]
Folding time 5s [x] 10s [x]
Battery slots 1 [x] 1 [x]
Folding? Yes [x] Yes [x]
Suspension? Yes [x]
Folding handlepost? Yes [x]
Luggage socket Combo Mount [x] Yes [x]
Grips Ergon [x] Velo ergonomic, lock-on [x]
Crankset Tern HSD custom, Gates CDX CNC machined beltring [x] Vektron custom, forged 6061-AL crankarm [x]
Kickstand Ursus, rear mount [x] URSUS MOOI, rear mount [x]
Pedals Urban with non-slip surface [x] MKS EZY [x]
Battery position Under saddle [x]
Front light Tern Valo 2.1, 45 lux/190 lumens [x] Tern Valo Direct, integrated, 41 lux/150 lumens [x]
Fork Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel [x] Tern Tarsus, 6061-AL, hydroformed [x]
Handlepost Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 290 mm [x] Tern Physis 3D, 3D forged, 5 patented technologies [x]
Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated [x] Tern Flux, cartridge bearings, Physis integrated [x]
Seatpost clamp Tern Collar, 6061-AL, 2pc [x] Oversize, 6061-AL, 2pc [x]
Rims Tern Atlas H, wide 35 mm [x] Kinetix Comp, for disc [x]
Front wheel Tern Atlas H, cargo wheel [x]
Rear wheel Tern Atlas H, cargo wheel [x]
Stem Tern Andros (G2), adjustable, forged construction, patented technology [x] Tern Andros, adjustable, forged construction, patented technology [x]
Spokes and nipples Stainless steel [x] Stainless [x]
Fenders SKS, stainless hardware [x] SplashGuard, stainless hardware [x]
Chainguard Gates integrated [x] SKS Chainblade [x]
Rear hub Shimano Nexus 8 [x] Shimano Nexus 7, disc [x]
Brake levers Magura, hydraulic [x] Shimano, hydraulic disc [x]
Rear brake Magura MT4, hydraulic disc, 160 mm rotor [x] Shimano, hydraulic disc [x]
Brake cable and housing Magura, hydraulic [x] Shimano, hydraulic disc [x]
Front brake Magura MT4, hydraulic disc, 180 mm rotor [x] Shimano, hydraulic disc [x]
Front hub Novatec, Thru-axle, sealed bearings [x] Shimano disc [x]
Shifter cable and housing Shimano [x] Jagwire LEX-SL, slick treatment, alloy ferrules [x]
Tyres Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification [x] Schwalbe Big Apple, 55-406, puncture protection, Reflex [x]
Pedal holder No [x] No [x]
Rear derailleur n/a [x]
Bottom bracket Motor integrated [x] Motor integrated [x]
Clip system Magnetix 2.0 [x]
Brake application mechanism Hydraulic [x] Hydraulic [x]
Rear light Herrmans H-Trace, for eBike [x] Herrmans H-Trace, for eBike [x]
Cassette and freewheel Gates CDX, precision CNC machined cog [x] 16T [x]
Chain Gates Carbon Drive CDX belt [x] DHT for eBike, GST corrosion resistant coating [x]
Brake mechanism Disc [x]
Fork material Chromoly [x] Aluminium [x]
Charger Bosch Standard Charger [x] Bosch Standard Charger [x] / Bosch Compact Charger [x]
Display Bosch Purion, 4 mode selectable, walk assist [x] Bosch Purion, 4 mode selectable, walk assist [x]
Battery Bosch PowerPack 400 [x] Bosch PowerPack 400 Wh [x]
Motor Bosch Active Line Plus (Gen 3) [x] Bosch Active Line [x]
Bell material Aluminum [x] Aluminum [x]
Crankset material Aluminium [x]
Lock ABUS 5650L, keyed-alike with Bosch battery [x]
Gear configuration 1 x 8 [x] 1 x 7 [x]
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