Cannondale  Topstone Neo SL 2 Electric Bike

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A lightweight, capable and versatile e-bike that thrives on gravel and mixed-terrain riding, the Cannondale Topstone Neo SL 2 was built to chase horizons, explore and accelerate your daily routine.

Features

  • SmartForm C2 Alloy frame and a full carbon fork are a lightweight yet durable combo
  • Shimano GRX 400/600 drivetrain and hydraulic disc brakes offer excellent on- and off-road performance
  • Light and powerful Mahle ebikemotion X35 250W rear-hub drive system offers 3 levels of support for pedal assist up to 20 mph and a range of up to 47 mi. (75 km)
  • Multiple gear and bottle mounts let you customize your carry
  • Integrated top tube controller lets you turn the system on, select your assist level and see your battery charge at the touch of a button, keeping your handlebars uncluttered
  • Dialed endurance fit is upright enough for comfort over the long haul and control when tackling off-road terrain, yet low and forward enough for speedy efficiency
  • Roomy frame and fork offer plenty of clearance for the included 700c x 42 mm tires
  • A simple to use, easy-access charging port makes topping up the battery a breeze
  • You can also plug in an optional range extender (not included) for a total battery capacity of 450 Wh and take your rides even farther
  • Pedals not included
  • Specs and images are subject to change

Imported.

This e-bike comes with Coast to Coast Support, which includes:
  • 1 year of free adjustments (see more below)
  • In-store bike assembly
  • Pickup in store or curbside
  • Bike experts available at 170+ bike shops
REI Co-op Members get more:
  • 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)
More about our free adjustments:
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.

View the Cannondale Topstone Product LineView all Cannondale Gravel Bikes

Technical Specs

Item #186752
Best Use

Road Cycling

Gravel Cycling

E-Bike Classification

Class 1: pedal assist up to 20 mph

Motor

Mahle ebikemotion X35 250W

Motor Type

Geared Hub

Motor Torque (Nm)

40 Newton meters

Battery Type

Lithium Ion

Battery Capacity (Wh)

250 watt hours

Battery Removable

No

Charge Time (hrs)

4 hours

Pedal Assist Range

47 miles

Frame

SmartForm C2 Alloy with flat-mount disc

Bike Suspension

No Suspension

Fork

Carbon with 1-1/8 to 1-1/4 in. steerer, 55 mm OutFront offset, flat-mount disc, internal routing, 12 x 100 mm thru axle

Fork Travel

Not Applicable

Crankset

Shimano GRX 600, 46/30T

Bottom Bracket

Shimano BSA Sealed

Shifters

Shimano GRX 400, 2 x 10-speed

Rear Derailleur

Shimano GRX 400, Shadow RD+

Rear Cogs

Shimano HG500, 11-34T, 10-speed

Number of Gears

20 gear(s)

Brake Type

Hydraulic Disc Brake

Brakes

Shimano GRX hydraulic disc, 160 mm RT56 rotors

Brake Levers

Shimano GRX hydraulic disc

Rims

Cannondale Disc, double wall, tubeless-ready 32h in rear and 28h in front

Front Hub

Formula CL-712, 12 x 100 mm thru axle, disc

Rear Hub

Mahle ebikemotion X35; 135 mm bolt-on

Wheel Size

700c

Tires

WTB Resolute Comp, 700c x 42 mm, tubeless-ready

Tire Width

42 millimeters

Handlebar Shape

Drop Bar

Handlebar

Cannondale 3, butted 6061 alloy, 16 degree flare drop

Stem

Cannondale 3, 6061 alloy, 31.8 mm, 7 degree

Seat Post

Promax SP-2032, alloy, 27.2 mm

Saddle

Fabric Scoop Shallow Sport, steel rails

Pedals

Not included

Headset

Integrated; 1-1/2 to 1-1/8 in. (lower to upper) tapered with reducer; 25 mm alloy top cap

Chain

10-speed

Weight

32 lbs. 6.4 oz.

Bike Weight

Bike weight is based on median size, as sold, or the average of two median sizes.

Gender

Unisex

Size Chart

SMLXL
Reach37.7 38.7 39.440.2
Stack54.757.861.164.0
Effective Top Tube53.4 55.356.958.6
Seat Tube Center-Top44.549.053.558.0
Standover Height75.1 79.0 83.086.9
Head Tube Length12.615.719.1 22.2
Head Tube Angle (degrees)70.5°71.0°71.0°71.0°
Seat Tube Angle (degrees)74.0°74.0°74.0°74.0°
Bottom Bracket Height65.465.465.465.4
Wheelbase103.1 104.7106.5108.3
Chainstay43.043.043.043.0
Fork Offset5.55.55.55.5

Sizing Notes

Measurements are stated in centimeters unless otherwise indicated.

How we measure bikes

  1. 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.
  2. Reach Reach is the horizontal distance from the center of the cranks to the center of the head tube, measured at head tube level.
  3. 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.
  4. 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.
  5. 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.
  6. Head Tube Length Head Tube Length is measured from the bottom to the top of the head tube.
  7. Head Tube Angle Head Tube Angle is the acute angle between the head tube and the ground (measured towards the rear of the bike)
  8. Seat Tube Angle Seat Tube Angle is the acute angle between the seat tube and the ground (measured towards the rear of the bike).
  9. Bottom Bracket Height Bottom Bracket Height is a measurement taken vertically from the ground up to the center of the cranks.
  10. Wheelbase Wheelbase is the measurement from the center of the front axle to the center of the rear axle.
  11. Chainstay Length Chainstay Length is the measurement from the center of the cranks to the center of the rear axle.
  12. 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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