Swift Step-Thru

Sale price $2,199.00 Regular price$3,399.00
Save $1,200

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Sale price $2,199.00 Regular price$3,399.00
Lifetime Support
14 Days Return
Custom Built

Technical Specifications


6061 aluminum step thru frame w/ rack and fenders

front hub

Modus 100mm

seat post

Aluminum 28.6mm


Sr suntor nex, 60mm travel

front axle

5mm qr

seat post clamp



Threadless 1-1/8 straight

rear hub

Hub motor


1000w mxus geared hub

shifter rear

Sunrace m4 7 speed trigger

rear axle

Bolt on

battery sizes

48v17.5ah, 48v21ah

rear derailleur

Sunrace m40 7 speed


Black 36h





tire sizes



Integrated headlight


Kmc z7


25.4mm clamp 50mm riser cruiser bars

assist type

Torque, cadence

crank set

170mm arms 46t


Promax adjustable quill

assist levels


bottom bracket

68mm square taper w/ torque sensor


Ergo slide on


Thumb throttle


Biktrix dual piston hydraulic w/ 160mm


Large foam rubber sprung


Plastic fenders, color matched rack, adjustable kickstand

brake levers

Biktrix w/ adjustable reach and motorcutoffs

Size & Fittings

1 Effective Top Tube Length 620mm 24.4in
2 Seat Tube Length (Classic Bike Size) 450mm 17.7in
3 Reach 440mm 17.3in
4 Stack 560mm 22in
5 Chainstay Length 470mm 18.5in
6 Standover Height 410mm 16.1in
7 Head Angle 73° -
8 Seat Angle 74° -
9 Head Tube Length 150 mm 5.9 in
10 Fork Length 440mm 17.3in
11 Front Center 650mm 25.6in
12 BB (Bottom Bracket) Drop 40mm 1.6in
13 Fork Offset 45mm 1.8in
14 Wheelbase 1120mm 44.1in
15 Total Length 1780mm 70.1in
16 Max Seat Height 1030mm 40.6in
17 Min Seat Height 820mm 32.3in
18 Handlebar Height 1080mm 42.5in
19 Weight (Without Battery) 22.9kg 50.5lb

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Customer Reviews

Based on 31 reviews
Joe Tipps
New Swift X

I assembled my new Swift X in a breeze! The bike is awesome and a better ride than e bikes two to three times the price. I am getting a lot of compliments from the bike group I ride with. I couldn’t be happier with my new Biktrix Swift X e bike. Thank you.

Joe T.
Fairport, N Y USA

Steven Machado

Good looking bike, has bells& whistles I want. Pricey but u get what you pay for. How difficult is getting repair parts ?

Jean-Pierre Adam
Entièrement satisfait

La qualité d'assemblage du cadre et de la peinture sont excellentes.
Le cadre est certes moins rigide qu'un cadre en triangle, (ma selle est en position assez haute vu ma grandeur, ce qui accentue l'effet de levier de la partie arrière dans des conditions plus difficiles) mais il est tout à fait suffisant pour un usage sur route et même dans les sentiers forestiers rocailleux.
Pour ma part, j'aime bien rouler dans les sentiers parfois accidentés et j'ai donc changé ma position de conduite en y mettant un guidon droit pour plus de maniabilité en sentiers mais le guidon d'origine donne une position de conduite très confortable.
Avec la batterie de base je fais autour de 120km en mettant l'assistance à 5 (maximum) et en roulant autour de 30km/h avec un peu de côtes.
L'autonomie est excellente.
En mettant l'assistance à 1 en sentiers forestiers en montagne à basse vitesse je reviens de 5 heures et demie de route et la batterie (de base) est encore à 75%.
Avec l'accélérateur c'est très facile de démarrer dans une côte abrupte (en se mettant également en première vitesse).
Ce vélo est parmi les plus légers dans les vélos électriques et il est donc facile à utiliser aussi sans aucune assistance.
En tout cas je suis très satisfait de mon nouveau vélo.

Daniel Rawls
Finally, a company that does customer service!

I ordered two Swift Step Thru bikes. The shipping and delivery exceeded my expectations; assembly was as expected, with no drama or problems; it was great! Then a small issue came up. Honestly, I think they planted it so I could experience their excellent customer service. Otherwise, I would never have known how competent they are, both on the phone and in their comprehensive FAQ resources. Well done, Biktrix!

Andrew Hayunga
Overall Great

More than satisfied with this bike. Battery has lasted around 60 miles on the lowest pedal assist and 25 riding the throttle. Was very easy to assemble and delivered fast. Biggest complaint is the seat and grips were very uncomfortable but was easy to swap over from my previous bike.

David Gianna
My go-to bike

This is my second e-bike, after my Pedego Ridge Rider. It is new to me, and has become my go-to bike, particularly for the 250-mile Stop Soldier Suicide challenge. So far I like the range, the acceleration under assist, and the ergonomic layout of the controls. The seat is comfortable, but somehow the handlebars could be easier on the hands. The “walk” mode feature is nice, but could use a little less torque when walking, to avoid the bike lurching forward. Lots of features, and feature-packed. Again, my go-to bike when I ride.

Gerry Congleton

I still don't have the bike. I don't believe FEDEX knows what they are doing!!

Peter Thompson
Great Bike

Bike is very well built - great power - mechanically sound, and a lot of fun to ride.

Gary Mitchum
Wife’s Swift

She loves it. Bikes name is “Daisy”.