Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Fork Suntour XCM -
Groupset Altus -
Suspension Hardtail -
Motor Bafang 250W 80Nm hub-drive -
Battery 630Wh / 36V / 17.5Ah -
Drivetrain 1 × 9 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
MD
150cm - 166cm
LG
164cm - 180cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
ALU 6061, M (16"), L (18")
Suspension Fork
Suntour XCM RL DS 27.5"
Drivetrain
Rear Derailleur
Shimano Altus RD-M2000
Shift Levers
Shimano Altus SL-M2000RA 9 sp.
Crank
Bafang 38T, 170mm
Chain
KMC X9e 124L
Pedals
VPE-537
Wheels
Rear Hub
Novatec D041DSB,15mm/D142TSE,36H,CL
Rims
WTB ST i29 TCS 2.0 27.5" 36H
Tires
WTB Ranger 27.5x 2.25" Comp
Brakes
Brakes
ZOOM HB875/CL180
Cockpit
Stem
CTM LCS/60mm
Handlebar
CTM rise bar, 700/31.8 mm
Headset
NECO H153
Seat
Saddle
SR Vivo Ergo Lady
Seatpost
CTM 350x31.6 mm
Motor & Battery
Motor
BAFANG M420 / 250W / 80Nm
Battery
630Wh / 36V / 17.5Ah
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG |
|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.5 mm |
| Front Center | 676 mm | 680 mm |
| Rake | 46 mm | 46 mm |
| Stack | 607 mm | 607 mm |
| Reach | 406 mm | 406 mm |
| Top Tube Length | 593 mm | 603 mm |
| Seat Tube Angle | 73 ° | 73 ° |
| Seat Tube Length | 432 mm | 457 mm |
| Head Tube Angle | 69 ° | 69 ° |
| Head Tube Length | 155 mm | 155 mm |
| Chainstay Length | 458 mm | 458 mm |
| Wheelbase | 1135 mm | 1131 mm |
| Wheels | 27" | 27" |
| Rider Min Height | 150 cm | 164 cm |
| Rider Max Height | 166 cm | 180 cm |
Model Overview
RUBY is a Ctm E Ruby model. There are 6 e-bikes that carry this model name. Check out the entire range from 2022 of this model, by clicking this link.
Model range prices
The most economical model, the CTM RUBY 2022 has a starting price of 2123$. CTM RUBY PRO 2022 on the other hand is the most expensive at 2335$.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Trail e-bikes average price
If you want an acceptable Trail e-bike you should know that the average price is 3365$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail e-bike. To sum up, when you purchase your e-bike, make sure to check if it has reviews, and also do some components research.
At the moment of the release date, CTM RUBY price was 2123$. In conclusion, this e-bike price is 58.5% lower than the price of the average Trail e-bike.
Overview of components
Fork
The Suntour XCM is included from the factory. It has a travel distance of mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels size
When it comes to wheels, the RUBY e-bike is equipped with the 27.5″ aluminum model. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. CTM RUBY has Hydraulic Disc brakes installed. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, these are ideal for anyone.
Sizes
CTM RUBY e-bike has 2 sizes, in the range of 150 cm – 180 cm (4.92 ft – 5.91 ft). In conclusion, finding one for you shouldn’t be a problem.