Bike details
Overview
Key information split into simple groups.
Bike summary
-
-
Frame Aluminum -
Wheels 27.5" -
Travel Front 130mm -
Fork RockShox Recon Silver RL
-
Groupset SX Eagle, X1 -
Suspension Hardtail -
Drivetrain 1 × 12 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Aluminum
Suspension Fork
RockShox Recon RL, Solo Air spring, 46mm offset
Rear Shock
None
Drivetrain
Rear Derailleur
SRAM SX Eagle, 12-speed
Front Derailleur
None
Shift Levers
SRAM SX Eagle, 12-speed
Cassette
SRAM SX Eagle PG-1210, 12-speed, 11-50 tooth
Crank
SRAM X1 1000 Eagle DUB, 170mm length
Bottom Bracket
SRAM MTB DUB, BSA threaded
Chain
SRAM SX Eagle, 12-speed
Chain Guide
Upper slider
Pedals
HT PA12
Wheels
Front Hub
Shimano MT400, 110x15mm Boost front, 148x12mm Boost rear with HG driver
Rear Hub
Shimano MT400, 110x15mm Boost front, 148x12mm Boost rear with HG driver
Rims
WTB ST i29 TCS 2.0, 32 hole
Tires
WTB Trail Boss, G2, Comp, TCS, 27.5" x 2.4"
Brakes
Brakes
Shimano MT400, 2-piston, Shimano RT54 rotors
Brake Levers
Shimano MT400
Cockpit
Stem
CTM LCS, 31.8mm bar clamp, 50mm length
Handlebar
CTM HB-RB12, 31.8mm clamp diameter, 760mm width, 9° rise
Headset
NECO H-383
Seat
Saddle
WTB Volt
Seatpost
EXA Form KSP900 dropper, Drop: 100mm (SM), 125mm (MD), 150mm (LG/XL)
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.52 mm | 1.467 mm | 1.398 mm | 1.332 mm |
| Bottom Bracket Height | 307 mm | 307 mm | 307 mm | 307 mm |
| Stack | 608 mm | 616 mm | 622 mm | 626 mm |
| Reach | 400 mm | 420 mm | 445 mm | 470 mm |
| Top Tube Length | 578 mm | 601 mm | 628 mm | 654 mm |
| Seat Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° |
| Seat Tube Length | 400 mm | 430 mm | 475 mm | 510 mm |
| Head Tube Angle | 67 ° | 67 ° | 67 ° | 67 ° |
| Head Tube Length | 100 mm | 110 mm | 115 mm | 120 mm |
| Chainstay Length | 425 mm | 425 mm | 425 mm | 425 mm |
| Bottom Bracket Drop | 48 mm | 48 mm | 48 mm | 48 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
Model Overview
Zephyr Pro 27.5″ is part of the Ctm Zephyr model. CTM launched 10 bikes of this model so far. Check out the entire range from 2021 of this model, by clicking this link.
Safety
Your safety is a top priority so always wear a helmet when you ride your bike. Moreover, wear the right clothing. You want to be visible to other drivers, so avoid wearing dark clothing.
Trail bikes average price
According to our calculations, the average cost of a Trail bike that is reliable is 2762$. However, paying less money than this amount doesn’t mean that you couldn’t get a great Trail bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
Average weight for Trail bikes
The average weight for Trail bikes is 12.98 kg (28.62 lbs). You will have a greater advantage on climbs if your bike is easier than the average. On descents, however, a heavier bike will give you extra speed.
With a weight of 13.9 kg (30.64 lbs), CTM bike is a bit heavier than average. To sum up, it’s 7.09% heavier than the average weight of Trail bikes.
Overview of components
Fork
CTM Zephyr Pro 27.5″ 2021 bike is equipped with the RockShox Recon Silver RL fork, and has 130mm travel. Bike forks absorb the shocks and give you a smooth and pleasant ride. To sum it all, when buying a bike, ensure that you look for a fork capable of decent travel.
Wheels size
The Zephyr Pro 27.5″ 2021 bike is equipped with 27.5″ aluminum wheels when leaving the factory. 27.5″ wheels are a mixture between 29″ wheels and 26″ wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Zephyr Pro 27.5″ comes with Hydraulic Disc brakes. With Hydraulic Disc brakes, you’ll be able to stop on a dime, even in wet or icy conditions. To sum up, your safety is in good hands.
Sizes
CTM Zephyr Pro 27.5″ bike has 4 sizes, in the range of 158 cm – 199 cm (5.18 ft – 6.53 ft). In short, you can easily find one that suits you.
Dropper post
The CTM model is also equipped with a dropper post. Therefore, climbing or descending will be a breeze.