Cannondale Catalyst 4 27.5 Bike - 2018
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Slake your thirst for off-pavement adventure aboard the Cannondale Catalyst 4 27.5 bike. A light alloy frame, sporty riding position and wide-range gearing let you head for the hills with confidence.
Shop similar productsKey Details
- Lightweight aluminum frame delivers a refined, nimble feel; SAVE rear triangle, flattened seat and shaped chainstays absorb bumps for a smooth ride
- Fast and fun 27.5 wheels deliver a combination of agility and control
- Front suspension, disc brakes and integrated rack and fender mounts let you take on all kinds of terrain
- NOTE: Specs and images are subject to change based on component availability
Imported.
- 1 year of free adjustments (see more below)
- In-store bike assembly
- Pickup in store or curbside
- Bike experts available at 170+ bike shops
- 20% off shop services
- Free tubes with purchase of flat tire repair (Co-op Cycles brand tubes only; tube must be installed at time of purchase)
New bikes go through a normal break-in period, after which they should be readjusted. All bicycles sold at REI include free adjustments for one year after purchase date—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation and chain lubrication. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
| Best Use | Mountain Biking |
|---|---|
| Mountain Bike Style | Cross-country |
| Frame | SmartForm C3 alloy |
| Bike Suspension | Front Suspension |
| Fork | SR Suntour M3030-27 |
| Fork Travel | 75 millimeters |
| Crankset | Prowheel, 24/34/42 |
| Bottom Bracket | Semi-cartridge type, square taper, BSA, sealed bearing |
| Shifters | Shimano EF41 Easyfire, 3 x 7-speed |
| Front Derailleur | Shimano Tourney, 31.8 clamp |
| Rear Derailleur | Shimano Tourney, 7-speed |
| Rear Cogs | Sunrace, 14-34, 7-speed |
| Number of Gears | 21 gear(s) |
| Brake Type | Mechanical Disc Brake |
| Brakes | Jak-7 cable-actuated disc, 160/160mm |
| Brake Levers | Shimano EF41 |
| Rims | DC 6.0, double wall, 32-hole |
| Front Hub | Alloy disc |
| Rear Hub | Freewheel, sealed, loose ball bearings, QR, 32h |
| Wheel Size | 27.5 inches |
| Tires | Innova |
| Tire Width | 2.1 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | Alloy, 25mm rise, 700mm, 31.8 |
| Stem | Alloy, 31.8, 8 |
| Seat Post | Alloy, micro-adjust, 27.2 x 350mm |
| Saddle | Cannondale Stage 2 |
| Pedals | Cannondale Platform |
| Headset | Semi-integrated, threadless, 1-1/8 in. |
| Chain | KMC Z51, 7-speed |
| Weight | 31 lbs. 12.8 oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| S | M | L | XL | |
|---|---|---|---|---|
| Height Range | 5'2" - 5'6" | 5'6" - 5' 10" | 5'10" - 6'1" | 6'1" - 6'4" |
| Reach | 41.4 | 43 | 44.7 | 46.3 |
| Stack | 59.4 | 60.8 | 62.9 | 65.2 |
| Effective Top Tube | 59.5 | 61 | 63.3 | 65 |
| Seat Tube Center-Top | 38.1 | 43.2 | 48.2 | 53.3 |
| Standover Height | 75.3 | 78.6 | 81.8 | 85.8 |
| Head Tube Length | 10 | 11.5 | 13.5 | 16 |
| Head Tube Angle (degrees) | 70° | 70° | 70.5° | 70.5° |
| Seat Tube Angle (degrees) | 73° | 73.5° | 73.5° | 74° |
| Bottom Bracket Height | 30.5 | 30.5 | 30.5 | 30.5 |
| Wheelbase | 109.4 | 113.8 | 115.4 | 115.8 |
| Chainstay | 43.5 | 43.5 | 43.5 | 43.5 |
| Fork Offset | 4.5 | 4.5 | 4.5 | 4.5 |
Sizing Notes
Measurements are stated in centimeters unless otherwise indicated.
How we measure bikes
- Standover Height Standover Height is a measurement from the ground to the top of the top tube, measured at the midpoint of the top tube.
- Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
- Stack Stack is the vertical distance from the center of the cranks to the center of the head tube, measured to the top of the head tube.
- Effective Top Tube Effective top tube is the distance from the center of the head tube to the center of the seat tube/seat post, measured parallel to the ground.
- Seat Tube Center to Top Seat Tube length is the measurement of the seat tube, from the center of the cranks to the top of the seat tube.
- Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
- Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
- Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
- Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
- Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
- Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
- Fork Offset Fork Offset, or rake, is the distance from the front axle to a line drawn parallel to the center of the head tube or steering axis.
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Great building platform!!!
I purchased this bike a few months ago for some light trail use, (Virginia Beach) and as a commuter. This is a decent bike but it has so much more potential and as us riders do, we start making our bikes projects. which is fun but it enhances our riding experience and make it more comfortable and fun. I had a Marin bobcat trail 10 years ago and used and abuse the heck out of that back home in Colorado.The bobcat trail was a beast and I have higher hopes for this bike because its a little more stout. If you choose which i would highly recommend upgrading. It will completely transform and lighten the bike. I added frame protection, RaceFace Aeffects stem and matching bars, new grips, Maxxis Aggressors 2.3 x 27.5 which fit great in the frame and really add grip and stability. of course I ditched the stock fork and bumped it up to a Rockshox Recon RL Solo Air fork with 100mm of travel which has a 1-1/8 steerer. I'm really happy with this bike so far and i have a bike i can confidently attack trails back home with. I do not regret the journey of my first bike build. More upgrades are coming! oh im 5'9'' and the medium frame fits me
For the price it's a decent bike
This is my first MTB. I'm a complete beginner when it comes to trail riding, but I went with some experienced riders on a 12 mile trail to test this thing out. I did well and this bike held up for the most part. However, the chain fell off the derailleurs a couple of times and a couple of the pedal teeth chipped off. Also, the brakes are loud, but they work extremely well.
Good Beginner Mountain Bike
This A good Bike for a beginner trying to ride the trail when I first got it, it felt amazing when I was riding it.
Makes riding even more fun.
Theres nothing like a Canondale. Awesome bike!!!!!
best bike ever
this bike is very easy to ride and makes riding fun