Co-op Cycles CTY 2.1 Step-Through Bike
Make the city your playground. The Co-op Cycles CTY 2.1 step-through bike has a shock-absorbing fork for pothole-filled roads and a 2 x 8 drivetrain for optimal options without complicating shifting.
Key Details
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- Low crossbar for easy mounts and dismounts
- Upgraded 2x drivetrain (from previous model's 3x) makes for smoother shifting—and less of it too
- Suspension fork provides 63 mm of travel to smooth out rough roads
- Reflective sidewalls enhance visibility
- Riser handlebar puts your hands in a natural position to reduce strain
- Ergonomic grips provide comfort and support hands
- Double chainrings simplify front shifting and provide plenty of gears for flats or hills
- Tektro hydraulic disc brakes provide sure stopping power in variable weather
- Top tube attachment points let you mount a bag where it's easy to access (like the REI Co-op Junction top tube bag, not included)
- Accommodates a rear rack and fender (rack and fender not included)
- Bicycle weight limit is 300 lbs. total, including rider + all gear carried on the bike and on the rider's body
- 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 | Urban Cycling |
|---|---|
| Frame | Aluminum |
| Step-Through | Yes |
| Bike Suspension | Front Suspension |
| Fork | SR Suntour Nex DS |
| Fork Travel | 63 millimeters |
| Crankset | Shimano 46/30T |
| Bottom Bracket | Shimano Square Taper |
| Shifters | Shimano Altus 8-speed Rapidfire Plus |
| Front Derailleur | Shimano Tourney FD-TY606-L; top-swing; dual-pull |
| Rear Derailleur | Shimano Altus |
| Rear Cogs | Shimano CS-HG31; 8-speed 11-34T |
| Number of Gears | 16 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Tektro HD-M275 hydraulic disc brake |
| Brake Levers | Tektro 2-finger |
| Rims | Co-op Cycles |
| Front Hub | Shimano, 32h |
| Rear Hub | Shimano, 32h |
| Wheel Size | 700c |
| Tires | Kenda Kick-Back, 700c x 40 mm with reflective sidewall and K-Shield |
| Tire Width | 40 millimeters |
| Handlebar Shape | Riser Bar |
| Handlebar | Co-op Cycles riser bar; 6 deg. upsweep; 8 deg. backsweep; 25 mm rise; 31. 8 mm diameter at center; 6061 aluminum |
| Stem | 6061 aluminum; 6 deg. rise |
| Seat Post | Co-op Cycles 6061 aluminum |
| Saddle | Selle Royal Shadow+ with gel |
| Pedals | Platform |
| Headset | Semi-integrated threadless |
| Chain | KMC HG40 8-speed |
| Weight | 32 lbs. 9oz. |
| Bike Weight | Bike weight is based on median size, as sold, or the average of two median sizes. |
| Gender | Unisex |
| Sustainability | From a Climate Label Certified brand |
| XS | S | M | |
|---|---|---|---|
| Height Range | 5' - 5'3" | 5'3" - 5'6" | 5'6" - 5'9" |
| Reach | 354.9 | 364.3 | 374.2 |
| Stack | 588.2 | 588.2 | 607 |
| Effective Top Tube | 518 | 533 | 554 |
| Seat Tube Center-Top | 350 | 400 | 450 |
| Standover Height | 682.6 | 681.5 | 683.3 |
| Head Tube Angle (degrees) | 70 | 70 | 70 |
| Seat Tube Angle (degrees) | 74.5 | 74 | 73.5 |
| Wheelbase | 1,039 | 1,049 | 1,065 |
| Chainstay | 445 | 445 | 445 |
Sizing Notes
Measurements are stated 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.
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.
