Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 29" -
Fork Suntour XCR Air -
Groupset Deore -
Suspension Hardtail -
Motor Bafang 250W 95Nm mid-drive -
Battery CTM IGB 630Wh / 36V / 17.5Ah -
Drivetrain 1 × 10 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
MD
155cm - 175cm
LG
170cm - 190cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
ALU 6061, M (16"), L (18")
Suspension Fork
Suntour XCR34 AIR boost, RLR, boost™ 15x110axle, 29"
Drivetrain
Rear Derailleur
Shimano Deore RD-M5120
Shift Levers
Shimano Deore SL-M4100/10sp.
Crank
Bafang 38T, 170mm
Chain
KMC X10e 124L
Pedals
VPE-537
Wheels
Rear Hub
Novatec D041DSB,15mm/D142TSE,36H,CL
Rims
WTB ST i29 TCS 2.0 29" 36H
Tires
WTB Ranger 29x 2.25" Comp
Brakes
Brakes
Shimano MT200 / SMRT10M
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 M500 / 250W / 95Nm
Battery
CTM IGB 630Wh / 36V / 17.5Ah
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG |
|---|---|---|
| Stack Reach Ratio | 1.47 mm | 1.45 mm |
| Front Center | 667 mm | 681 mm |
| Rake | 46 mm | 46 mm |
| Stack | 598 mm | 607 mm |
| Reach | 408 mm | 418 mm |
| Top Tube Length | 579 mm | 591 mm |
| Seat Tube Angle | 73 ° | 73 ° |
| Seat Tube Length | 420 mm | 470 mm |
| Head Tube Angle | 69 ° | 69 ° |
| Head Tube Length | 120 mm | 130 mm |
| Chainstay Length | 478 mm | 478 mm |
| Wheelbase | 1142 mm | 1156 mm |
| Wheels | 29" | 29" |
| Rider Min Height | 155 cm | 170 cm |
| Rider Max Height | 175 cm | 190 cm |
Model Overview
RUBY PRO completes the Ctm E Ruby model. CTM released 6 e-bikes variations of this model so far. You can get a glimpse at all models from 2023, by clicking on this link.
Model range prices
The most economical model, the CTM RUBY 2023 has a starting price of 2441$. CTM RUBY X Pro 2023 on the other hand is the most expensive at 2653$.
Safety
When cycling always take safety very seriously. Wear a helmet, obey the traffic rules and wear hi-vis clothes. In short, take care of yourself so others can take care of you.
Average price for Trail e-bikes
If you want to purchase a solid Trail e-bike, it is important to know that the average cost is 3365$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Trail e-bike. In short, before purchasing your ideal e-bike do some research about its components, and also check for reviews online.
When CTM released this model in 2023, its price was 2653$. Comparing this to the average Trail e-bike price, we see that the price is 26.84% smaller.
RUBY PRO components
Fork
The Suntour XCR Air is included from the factory. It has a travel distance of mm. Bike forks are perfect to absorb shocks and provide a great riding experience overall. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Wheels size
The wheels on RUBY PRO are the 29″ aluminum type. With 29″ wheels, bumps will feel lighter and you’ll gain more speed on descends, compared to smaller wheel-sized bikes. However, if you’re not a tall person, you might find it difficult to adapt to this wheel size.
Brakes
Nothing is more important on a bike than its ability to brake properly. CTM RUBY PRO is equipped with Hydraulic Disc brakes. Hydraulic disc brakes are perfect for mountain biking, road cycling, and commuting. To sum up, these are ideal for anyone.
Sizes
CTM RUBY PRO e-bike has 2 sizes, in the range of 155 cm – 190 cm (5.09 ft – 6.23 ft). In short, it won’t be difficult to find the right one for you.