Conquer your climbs and rule your descents with the light, efficient frame, stable handling and powerful hydraulic disc brakes on the Cannondale Trail 4 27.5/29 bike.
- Quick, stable aluminum frame performs with stiffness, durability and smooth-riding comfort
- Shimano M315 hydraulic disc brakes manage speed for confident control
- Small frame sizes have 27.5 in. tires; medium, large and extra-large frames have 29 in. tires
- 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 | Trail |
| Frame | Aluminum |
| Bike Suspension | Front Suspension |
| Fork | RockShox 30 Silver TK 29/27.5 in., rebound, 1-1/8 in., coil |
| Fork Travel | 100 millimeters |
| Crankset | FSA Gamma Pro MegaExo, 30t |
| Bottom Bracket | FSA MegaExo |
| Shifters | Shimano SLX, 11-speed |
| Rear Derailleur | Shimano SLX, 11-speed Shadow Plus |
| Rear Cogs | SunRace 11 - 42, 11-speed |
| Number of Gears | 11 |
| Brake Type | Hydraulic Disc Brake |
| Brake Levers | Shimano M315 |
| Rims | WTB STX TCS i23m 32-hole, tubeless ready |
| Front Hub | Formula |
| Rear Hub | Custom BOOST QR Formula |
| Tires | WTB Ranger Comp 27.5/29x2.25 in. DNA Compound |
| Tire Width | 2.25 inches |
| Handlebar Shape | Flat Bar |
| Handlebar | Cannondale C3 riser, alloy, 4mm upsweep, 9mm backsweep, 760 x 15mm |
| Stem | Cannondale C3, 6061 alloy |
| Seat Post | Cannondale C4, 6061 alloy, 31.6 x 350mm |
| Saddle | Cannondale Stage 3 |
| Pedals | Cannondale platform |
| Headset | Sealed semi-integrated, 1-1/8 in. reducer |
| Chain | KMC X11, 11-speed |
| Weight | 29 lbs. 6.4 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 | 40.2 | 42.4 | 44.7 | 47.0 |
| Stack | 61.6 | 62.6 | 63.3 | 64.3 |
| Effective Top Tube | 58.5 | 61.0 | 63.5 | 66.0 |
| Seat Tube Center-Top | 40.0 | 44.0 | 48.0 | 52.0 |
| Standover Height | 74.6 | 77.4 | 82.0 | 85.0 |
| Head Tube Length | 10.5 | 11.5 | 12.5 | 13.5 |
| Head Tube Angle (degrees) | 68.0° | 68.0° | 68.5° | 68.5° |
| Seat Tube Angle (degrees) | 73.5° | 73.5° | 73.5° | 73.5° |
| Bottom Bracket Height | 30.4 | 30.4 | 30.8 | 30.8 |
| Wheelbase | 110.8 | 113.4 | 116.6 | 119.2 |
| Chainstay | 44.0 | 44.0 | 44.5 | 44.5 |
| Fork Offset | 4.2 | 4.2 | 5.1 | 5.1 |
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.