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Electric bikes

Compare Tern HSD S vs. Tern HSD S8i

This is a side-by-side comparison of the specs of the HSD S vs. the HSD S8i. Differences are highlighted in yellow.
Item HSD S HSD S8i
Item image Item image
Electric? Yes [x] Yes [x]
Battery capacity 500Wh [x] 400Wh [x]
Weight 26.7kg [x] 25.4kg [x]
Colour Shake Polish [x] / HSD Blue [x] Limon Tundra [x] / HSD Red [x] / Black [x]
Suggested rider height to 195m [x] / from 150m [x] to 195m [x] / from 150m [x]
Maximum gross vehicle weight 170kg [x] 170kg [x]
Maximum fork load 170 [x] 170 [x]
Folded length 163cm [x] 163cm [x]
Maximum rider weight 120kg [x] 120kg [x]
Maximum range 118km [x] 110km [x]
Highest gear 111 [x] 95 [x]
Folded height 86cm [x] 86cm [x]
Minimum range 51km [x] 42km [x]
Folded width 40cm [x] 40cm [x]
Lowest gear 29 [x] 31 [x]
Maximum speed 25km/h [x] 25km/h [x]
Wheel size 20" [x] 20" [x]
Folding time 5s [x] 5s [x]
Battery slots 1 [x] 1 [x]
Folding? Yes [x] Yes [x]
Suspension? Yes [x]
Folding handlepost? Yes [x]
Kickstand Ursus, rear mount [x] Ursus, rear mount [x]
Pedals Urban with non-slip surface, sealed bearings [x] Urban with non-slip surface [x]
Battery position Under saddle [x]
Front light Tern Valo 2.1, 45 lux/190 lumens [x] Tern Valo 2.1, 45 lux/190 lumens [x]
Handlepost Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 290 mm [x] Tern Physis 3D (G2), 3D forged, 5 patented technologies, 12°, 290 mm [x]
Crankset Tern HSD custom, Gates CDX CNC machined beltring [x] Tern HSD custom, Gates CDX CNC machined beltring [x]
Headset Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated [x] Tern Flux Pro Taper, 1.5", angular contact bearings, Physis integrated [x]
Seatpost clamp Tern Collar, 6061-AL, 2pc [x] Tern Collar, 6061-AL, 2pc [x]
Rims Tern Atlas H, wide 35 mm [x] Tern Atlas H, wide 35 mm [x]
Rear wheel Tern Atlas H, cargo wheel [x] Tern Atlas H, cargo wheel [x]
Front wheel Tern Atlas H, cargo wheel [x] Tern Atlas H, cargo wheel [x]
Stem Tern Andros (G2), adjustable, forged construction, patented technology [x] Tern Andros (G2), adjustable, forged construction, patented technology [x]
Fork Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel [x] Suntour custom for Tern, 1.5" tapered Chromoly steerer, 32 mm stanchions, Thru-axle, 70 mm travel [x]
Spokes and nipples Stainless steel, double-butted [x] Stainless steel [x]
Fenders SKS, stainless hardware [x] SKS, stainless hardware [x]
Rear hub Shimano Nexus 8 [x]
Shifter cable and housing Shimano [x]
Tyres Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification [x] Schwalbe Big Ben, 55-406, RaceGuard puncture protection, ECE-R75 ebike certification [x]
Front hub Novatec, Thru-axle, sealed bearings [x] Novatec, Thru-axle, sealed bearings [x]
Pedal holder No [x] No [x]
Bottom bracket Motor integrated [x] Motor integrated [x]
Front brake Magura MT4, hydraulic disc, 180 mm rotor [x] Magura MT4, hydraulic disc, 180 mm rotor [x]
Rear brake Magura MT4, hydraulic disc, 160 mm rotor [x] Magura MT4, hydraulic disc, 160 mm rotor [x]
Brake cable and housing Magura, hydraulic [x] Magura, hydraulic [x]
Brake levers Magura, hydraulic [x] Magura, hydraulic [x]
Brake application mechanism Hydraulic [x] Hydraulic [x]
Rear light Herrmans H-Trace, for eBike [x] Herrmans H-Trace, for eBike [x]
Chainguard Gates integrated [x] Gates integrated [x]
Cassette and freewheel Gates CDX, precision CNC machined cog [x] Gates CDX, precision CNC machined cog [x]
Chain Gates Carbon Drive CDX belt [x] Gates Carbon Drive CDX belt [x]
Grips Ergon [x] Ergon [x]
Luggage socket Combo Mount [x] Combo Mount [x]
Fork material Chromoly [x] Chromoly [x]
Charger Bosch Standard Charger [x] Bosch Standard Charger [x]
Display Bosch Intuvia, 4 mode selectable, walk assist, integrated auto/manual shifting [x] Bosch Purion, 4 mode selectable, walk assist [x]
Battery Bosch PowerPack 500 [x] Bosch PowerPack 400 [x]
Motor Bosch Performance (Gen 3) [x] Bosch Active Line Plus (Gen 3) [x]
Bell material Aluminum [x] Aluminum [x]
Lock ABUS 5650L, keyed-alike with Bosch battery [x] ABUS 5650L, keyed-alike with Bosch battery [x]
Gear configuration ∞/9 spd manual [x] 1 x 8 [x]
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