BionX Retrofit Kits

Choose the kit that suits your needs and riding style to transform the bike you currently own or a new bike--into a state of the art electric bicycle! Contact us about the suitability of any bike for a BionX and our recommendations. 

You'll value our installation expertise and impeccable customer service!

We offer free standard installation when you purchase your kit from us. Surcharges for specialty installations vary. 

NEW FOR 2015: 
Longer-range battery and powerful D-series motor kits 

D500 DV $2,499
The longest-range BionX battery yet at 48V 11.6Ah. Combined with the powerful D-series motor. Down-tube install only. All black.

S350 DV $2,299
Longest-range DV battery with 48V 11.6Ah and lightwieght S-series motor. Down-tube install only. Black battery, silver motor. 

S350 DL (D = down-tube) and RL (R = rear rack) $1,799
This model boasts a long-range (up to 50 miles), efficient, lightweight battery. Showing how far the industry has come, the Lithium-ion 48V battery on this system provides over twice the amount of energy contained in the 24V NiMH battery, the battery first featured when electric bikes appeared on the scene--commercialized by BionX in 2003.
Available in black only. DL = low-profile battery i
nstalls on the front down tube using the water bottle mounts. RL system installs with the custom BionX rear rack as below right. Additional $100 for rear rack.

S350 DX (D = down-tube) and RX (R = rear rack) $2,099
This kit delivers more power, more quickly, with its 48 volt battery and super-lightweight motor, range up to 65 miles. Available in silver only. 
The S350 kit is available in both standard (DX) and rear rack (RX). Additional $100 for rear rack; example pictured at right.

G2 Console
The G2 (pictured here) console is ergonomic and removable--providing a separate toggle-on throttle and power control for mounting next to either left or right hand grip. And a comprehensive multi-functional easy-to-read display also adaptable to left or right hand use.

Choose a BionX for the bike that suits your individual needs!

Models S350 DX / RX S350 DL / RL S350 DV D500 DV
Battery LiMn 48V
8.8 Ah
LiMn 48V
6.6 Ah
LiMn 48V
11.6 Ah
LiMn 48V
11.6 Ah

Battery Wt. 7.9 lbs
9 lbs

Motor 350 Watt
350 Watt
350 Watt
500 Watt
Motor Wt. 7.7 lbs
9 lbs
9 lbs 9 lbs
423/750+ W 355/700 W
355/700 W
9 / 40 Nm
9 / 40 Nm
9 / 40 Nm
25 / 50 Nm
Total system Wt. 16.1 lbs / 18.9 lbs
14.1 lbs / 18.1 lbs

Price $2,099 / $2,199 $1,799 / $1,899 $2,299 $2,499

  • Wheel sizes available: 700c, 26", 24", 20"
  • Standard drop-out: 135mm
  • Compatible with a standard shifting system counting up to 27 speeds with a 9-speed and smaller rear sprocket.
  • A strain gauge responds to your effort, boosting your pedal power from 35%, 75%, 150%, or 300%, in levels 1 - 4
  • Read BionX Q&A
  • Shipping $50 on BionX kits! 
  • Visit the BionX Website

These are the standard BionX kits. Please contact us if you are interested in ordering components of the kit “a la carte” individually or as a custom kit. Or callus with questions regarding other alternative battery installation options. We typically charge a handling fee for parts or service for kits purchased from other dealers.

BionX Limited Warranty: All components are covered against manufacturing defect for a period of two (2) years from date of purchasing. 

We like talking to you
about electric bikes!


We look forward to seeing you at our showroom
 in North Seattle:

Winter Hours
Thursday: 12 Noon - 4 PM
Fri & Sat: 10 AM – 5 PM
Sunday: 11 AM – 4 PM
Monday 12 Noon - 4 PM
...and by Appointment!


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