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Nature BIKES
Range THUNDRA
Season 2022

The Thundra X ticks all the boxes needed to be the ebike for everything.

With undeniable elegance it’ll allow you to move around the city comfortably while still offering you the option of going to the mountains trouble free whenever you want. With internal cable routing, mudguards, a luggage rack to carry whatever you need and bright lights to keep you safe and seen, it has the looks other ebikes crave. Thanks to its Shimano motor and 630Wh battery (with optional additional extra 360Wh battery available) getting around by bike will be fun like never before. You won’t believe what it’s capable of! An Urban Cross that will surprise you and help you enjoy two wheels like never before.
Size guide

Components

Technical specs

  • frame

    Frame

    Thundra 6061 Xtralite Full Butted Alloy, Forward Geometry, integrated internal non-removable battery, tapered head tube, Boost 12x148mm rear axle, integrated dropout speed sensor.*Optional external battery

    sizes

    Sizes

    XS: 380mm / S: 390mm / M: 430mm / L: 470mm / XL: 510mm

  • fork

    Fork

    RockShox Recon Silver RL 29, 120mm, Motion control, Solo Air, tapered steerer tube, Boost 15x110mm axle, 42mm offset. Settings: compression adjustment at low-speed to lock, rebound, air preload

    headset

    Headset

    ONOFF Saturn tapered for 1-1/8” to 1-1/2” head tube, ACB sealed bearings, top 41x30.2x7x45ºx45º, bottom 51.9x40x8x45ºx45º

  • stem

    Stem

    MDK Urban 35mm, 6061 forged alloy, 31.8mm barbore

    handlebar

    Handlebar

    ONOFF Sulfur 1.0 double butted 6061 alloy, rise: 20mm, width: 800mm, 9º backsweep, 5º upsweep, 31.8mm barbore

  • grips

    Grips

    ONOFF Diamond, 1lock-on, 135mm

    seatpost

    Seatpost

    ONOFF Sulfur 0-R, 6061 T6 Alloy, 3D forged, diameter 31.6mm, length 400mm

  • saddle

    Saddle

    FIZIK Terra Aidon X5 145mm

    front brake

    Front brake

    SRAM Level T, 2 piece caliper, Centerline 200mm IS 6 bolts one-piece rotor, steel-backed organic pad

  • rear brake

    Rear brake

    SRAM Level T, 2 piece caliper, Centerline 180mm IS 6 bolts one-piece rotor, steel-backed organic pad

    brake lever

    Brake lever

    SRAM Level T, Direct Link actuation, tooled reach adjust, lever pivot bushings

  • rims

    Rims

    MDK-HP1 29, 30mm internal width, tubeless ready, 32 spokes

    spokes

    Spokes

    CN round stainless steel

  • front hub

    Front hub

    Formula DC711, Boost 15x110mm, sealed bearings, IS 6 bolts

    rear hub

    Rear hub

    Formula EHL148 Boost 12x148mm, sealed bearings, IS 6 bolts

  • front tire

    Front tire

    Maxxis Grifter 29x2.5, single compound, 60TPI, wire bead, tanned wall.

    rear tire

    Rear tire

    Maxxis Grifter 29x2.5, single compound, 60TPI, wire bead, tanned wall.

  • crankset

    Crankset

    FSA, 165mm

    rings

    Rings

    SRAM X-Sync 2 Eagle 34T, steel, narrow-wide, 104 BCD

  • chain

    Chain

    SRAM SX Eagle, 12s, Powerlock

    rear derrailleur

    Rear derrailleur

    SRAM SX Eagle, Type 3 roller bearing clutch, cage lock, long cage, 1x12s, X-actuation 1:1

  • shift levers

    Shift levers

    SRAM Trigger SX Eagle, 12s, X-Actuation 1:1, single click

    casette

    Casette

    SRAM PG-1210, 11-50T, 12s

  • derailleur hanger

    Derailleur hanger

    Mondraker M068

    others

    Others

    Front light: 50LUX output DC 6-12V, waterproof Alloy cage. Rear Light: Fender Mount, w/ Reflective, e-bike version, 6-12V. Fenders: Alloy black MDK custom fenders. Rack: Alloy MDK rear Rack, Max loading 25kg. Kickstand: Massload KSA18-40. *Optional external battery: Simplo 360Wh

  • display

    Display

    Shimano STEPS E5003

    motor

    Motor

    Shimano STEPS E7000

  • battery

    Battery

    Simplo internal 630Wh

Sizes

Geometry

  Frame size XS S M L XL
A Seattube length 380mm 390mm 430mm 470mm 658mm
B Toptube length 600mm 615mm 645mm 670mm 700mm
C Bottom bracket drop 60mm -60mm -60mm -60mm -60mm
D Bottom bracket height 317mm 317mm 317mm 317mm 317mm
E Chainstay length 455mm 455mm 455mm 455mm 455mm
F Seat tube angle 73.5º 73.5º 73.5º 73.5º 73.5º
G Effective seattube angle 73.5º 73.5º 73.5º 73.5º 73.5º
H Headtube angle 69º 69º 69º 69º 69º
I Fork Offset 51mm 51mm 51mm 51mm 51mm
J Wheelbase 1138mm 51mm 1183mm 1210mm 1240mm
K Headtube length 110mm 110mm 110mm 130mm 130mm
L Reach 410mm 425mm 455mm 480mm 505mm
M Stack 640mm 640mm 640mm 658mm 658mm

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