silverback S-ElectroTM Diamond Fat Explorer 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 120mm
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Fork Manitou Mastodon Comp
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Groupset NX Eagle
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Suspension Hardtail
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Motor Shimano 85Nm mid-drive
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Battery Darfon 720Wh, 36V, 20Ah Li-Ion Battery, 3.8Kg Weight
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Drivetrain 1 × 12
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Brakes Shimano Deore Hydraulic Disc
Recommended size guide.
SM
154cm - 171cm
MD
169cm - 180cm
LG
178cm - 190cm
XL
185cm - 210cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Aluminium E - MTB frame, 720wh battery compatible. Shimano STEPs EP8, E8000 or E7000 compatible motor. The geometry is designed for the typical Fat Bike enthusiast making the ride experience feel comfortable on those long rides. This frame has tyre clearance for 26 x 4,8" tyres. Sizes range from S - XL
Suspension Fork
Manitou Mastodon Comp,Air Suspension fork,1.5" Tapered Steerer, 120 mm Travel, 15X150mm
Drivetrain
Rear Derailleur
SRAM NX Eagle, 12 Speed, 50T
Shift Levers
L: NIL; R: SRAM SX Eagle Trigger Shifter
Cassette
SRAM SX Eagle, 11-50T
Crank
Alloy Fat Bike Crank, Anodized Black, EP8
Bottom Bracket
STEPS, press-fit
Chain
SRAM SX Eagle, 12 Speed
Wheels
Front Hub
F: SUNringlé SRC 150x15, 6 Bolt
Rear Hub
F: SUNringlé SRC 150x15, 6 Bolt
Rims
F: SUNringlé Mulefüt 80SL, Tubeless Ready
Tires
F: VEE Tire Bulldozer 26x4.7", Foldable, Tubeless Ready, 72TPI
Brakes
Brakes
F: Shimano BR-MT410, Resin Pads
Cockpit
Stem
SURFACE Alloy Stem, 31.8mm, Rise 6°, with stainless steel bolts
Handlebar
SURFACE Alloy Handlebar, Dia:31.8mm, Backsweep:9°, Rise 5mm
Grips
SBC Lockon Grip
Headset
Token TK035A-15 Sealed Bearing
Seat
Saddle
SURFACE E-BIKE saddle, Black, Cromo Rails
Seatpost
SURFACE Dropper Post with remote lock out, 30,9mm
Motor & Battery
Motor
Shimano EP8 Drive Unit, Mid-Position, 25km/h, 85N.m Torque
Battery
Darfon 720Wh, 36V, 20Ah Li-Ion Battery, 3.8Kg Weight
Charger
Darfon Smart Plus Battery Charger, 100-240V, 4A, EU use
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.52 mm | 1.485 mm | 1.442 mm | 1.381 mm |
| Bottom Bracket Height | 333 mm | 333 mm | 333 mm | 333 mm |
| Front Center | 710 mm | 719 mm | 743 mm | 763 mm |
| Rake | 32 mm | 31 mm | 31 mm | 31 mm |
| Trail | 101 mm | 102 mm | 102 mm | 102 mm |
| Stack | 646 mm | 646 mm | 656 mm | 656 mm |
| Reach | 425 mm | 435 mm | 455 mm | 475 mm |
| Top Tube Length | 610 mm | 620 mm | 643 mm | 663 mm |
| Seat Tube Angle | 74 ° | 74 ° | 74 ° | 74 ° |
| Seat Tube Length | 390 mm | 430 mm | 465 mm | 500 mm |
| Head Tube Angle | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° |
| Head Tube Length | 145 mm | 145 mm | 155 mm | 155 mm |
| Chainstay Length | 475 mm | 475 mm | 475 mm | 475 mm |
| Wheelbase | 1185 mm | 1194 mm | 1218 mm | 1238 mm |
| Bottom Bracket Drop | 10 mm | 10 mm | 10 mm | 10 mm |
| Standover Height | 823 mm | 830 mm | 826 mm | 818 mm |
| Wheels | 26" | 26" | 26" | 26" |
| Rider Min Height | 154 cm | 169 cm | 178 cm | 185 cm |
| Rider Max Height | 171 cm | 180 cm | 190 cm | 210 cm |
