An agile entry-level hardtail, the GHOST Kato Base 27/29 bike climbs hills efficiently with an 18-speed Shimano drivetrain and smooths bumps with a 100 mm SR Suntour XCM fork.
Fork Travel
100 millimeters
Number of Gears
18 gear(s)
- Lightweight aluminum hardtail frame provides efficient power to the rear wheel and requires less maintenance, meaning more time on the trails
- Maxxis Rekon tires provide grip when needed
- SR Suntour XCM fork provides 100 mm of adjustable travel
- 2 x 9-speed Shimano drivetrain offers smooth and precise shifting
- Shimano MT200 2-piston hydraulic disc brakes offer one-finger braking
- REI is proud to be the exclusive U.S. retailer of GHOST brand bikes
- NOTE: Specs and images are subject to change based on component availability
Imported.
This bike comes with Coast to Coast Support, which includes:
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.
View the GHOST Kato Product LineView all GHOST- 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 |
| Bike Suspension | Front Suspension |
| Fork | SR Suntour XCM |
| Fork Travel | 100 millimeters |
| Crankset | SHIMANO MT101 170 mm double ring 36/22T |
| Bottom Bracket | Cartridge |
| Shifters | SHIMANO Alivio M3100 front and rear |
| Front Derailleur | SHIMANO Altus M2020 2-speed |
| Rear Derailleur | SHIMANO Alivio M3100 9-speed |
| Rear Cogs | SHIMANO HG200 9-speed 11-36T |
| Number of Gears | 18 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | SHIMANO MT200 2-piston hydraulic disc with 160 mm rotors |
| Brake Levers | SHIMANO |
| Rims | GHOST double-wall aluminum |
| Front Hub | SHIMANO TX505 100 x 9 mm quick-release; Center lock |
| Rear Hub | 505-8 135 x 9 mm quick-release; Center lock |
| Tire Width | 2.25 inches |
| Handlebar Shape | Riser Bar |
| Handlebar | XLC Alloy 31.8 mm bore, 700 mm width |
| Stem | XLC Alloy 31.8 mm bore, 70 mm length |
| Seat Post | Alloy 350 mm length |
| Saddle | XLC |
| Pedals | Platform |
| Headset | FSA NO. 11N |
| Chain | KMC X9 |
| Weight | Unavailable |
| Gender | Unisex |
GHOST Bikes (185180)
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Reach | 371 | 393 | 409 | 426 | 443 |
| Stack | 588 | 598 | 622 | 632 | 641 |
| Effective Top Tube | 545 | 570 | 595 | 615 | 635 |
| Seat Tube Center-Top | 360 | 400 | 440 | 480 | 520 |
| Standover Height | 680 | 710 | 735 | 765 | 780 |
| Head Tube Length | 105 | 115 | 115 | 125 | 135 |
| Head Tube Angle (degrees) | 68 | 68 | 68 | 68 | 68 |
| Seat Tube Angle (degrees) | 73.5 | 73.5 | 73.5 | 73.5 | 73.5 |
| Bottom Bracket Height | 45 | 45 | 60 | 60 | 60 |
| Wheelbase | 1,063 | 1,089 | 1,133 | 1,154 | 1,175 |
| Chainstay | 430 | 430 | 450 | 450 | 450 |
Sizing Notes
All measurements in millimeters 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.