Salsa Confluence Flat Bar ESSA 8 Electric Bike
Squeeze more adventure into each day with this Salsa e-bike. It empowers riders to chase gravel with low-torque assist. Plus it has mounts for on-bike cargo for any mission.
Key Details




- 6061-T6 aluminum alloy frame
- Carbon fork offers a compliant ride and keeps weight down
- Geometry is designed for comfort and stability
- Suspension-corrected for 40 mm gravel suspension forks (not included)
- MAHLE X30 class 1 hub-drive system with 45 Nm max torque
- 250Wh internal battery
- Multiple mounting points for on-bike storage, including both rack and fender mounts (racks and fenders not included)
- Salsa handlebar and stem
- HMI compact remote top tube controller
- Shimano ESSA 1 x 8-speed drivetrain with hydraulic brakes
- 40T chainring with 11–45T cassette
- Spec'd with tubeless-ready WTB i25 wheels and Teravail Washburn 700c x 50 mm tires
- Accommodates up to 700c x 50 mm tires without fenders; 700c x 42mm maximum tire clearance with fenders
- Pedals not included
- 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
- An additional year of free adjustments on e-bikes
- 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 electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.
UL2849 certified
| Best Use | Gravel Cycling |
|---|---|
| E-Bike Classification | Class 1: pedal assist up to 20 mph |
| Motor | MAHLE X30 |
| Motor Type | Geared Hub |
| Motor Torque (Nm) | 45 Newton meters |
| Battery Type | Lithium Ion |
| Battery Capacity (Wh) | 250 watt hours |
| Battery Removable | No |
| Charge Time (hrs) | 3.5 hours |
| Frame | Aluminum |
| Step-Through | No |
| Bike Suspension | No Suspension |
| Fork | Carbon |
| Crankset | Shimano ESSA U2000, 40T |
| Shifters | Shimano ESSA M315-8R |
| Rear Derailleur | Shimano ESSA U2000 |
| Rear Cogs | Shimano HG300, 11-45T, 8-speed |
| Number of Gears | 8 gear(s) |
| Brake Type | Hydraulic Disc Brake |
| Brakes | Shimano MT201 |
| Brake Levers | Shimano MT200 |
| Rims | WTB ST i25 |
| Front Hub | WTB |
| Rear Hub | MAHLE X30 |
| Wheel Size | 700c |
| Tires | Teravail Washburn, wire bead |
| Tire Width | 50 millimeters |
| Handlebar Shape | Flat Bar |
| Handlebar | Salsa Salt Flat |
| Stem | Salsa Guide |
| Seat Post | Promax 12 mm setback |
| Saddle | WTB Volt |
| Pedals | Not included |
| Headset | FSA |
| Chain | KMC 8-speed |
| Weight | Unavailable |
| Gender | Unisex |
| S | M | L | XL | |
|---|---|---|---|---|
| Height Range | 4'11" - 5'4" | 5'3" - 5'8" | 5'7" - 6'0" | 5'11" - 6'4" |
| Reach | 401.3 | 419.9 | 433.5 | 447.4 |
| Stack | 551.8 | 589 | 626.2 | 662.6 |
| Effective Top Tube | 570 | 600 | 625 | 650 |
| Seat Tube Center-Top | 380 | 450 | 490 | 530 |
| Standover Height | 669 | 731 | 770 | 809 |
| Head Tube Length | 120 | 160 | 200 | 240 |
| Head Tube Angle (degrees) | 68.5 | 68.5 | 68.5 | 68.5 |
| Seat Tube Angle (degrees) | 73 | 73 | 73 | 73 |
| Wheelbase | 1080.3 | 1113.6 | 1141.9 | 1170.1 |
| Chainstay | 440 | 440 | 440 | 440 |
| Fork Offset | 51 | 51 | 51 | 51 |
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.
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