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Color: Green Vibe Gloss
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Few of us have the space to assemble a massive quiver of bikes—and with the Diamondback Haanjo 2, you won't actually need them. This bike is quick, snappy and easy to customize for a variety of rides.


  • Aluminum alloy frame with Endurance Geometry provides durability and all-day riding comfort
  • Wide 700c x 38 mm reflective sidewall tires smooth out rough roads and help you stay seen in low light
  • Tektro Lyra mechanical disc brakes are strong and reliable
  • Shimano Claris 2 x 8-speed drivetrain provides reliable shifting performance
  • DB Gravel Disc steel fork features fender and low-rider rack mounts (fenders and racks not included)
  • Load up your gear with the front and rear rack mounts to make it into a touring bike
  • Fender mounts make this bike an easy choice for fast, reliable commutes and all-weather riding
  • Includes DB aluminum platform pedals
  • Specs and images are subject to change


This 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:
  • 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 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 Diamondback Haanjo Product LineView all Diamondback Gravel Bikes

Technical Specs

Item #200567
Best Use

Gravel Cycling


6061-T6 aluminum


1-1/8 in. steerer tube with fender mounts and low rider mounts

Bike Suspension

No Suspension


Aluminum Cross Compact, 46/34T with aluminum big ring

Bottom Bracket

Steel cartridge


Shimano Claris ST-2400 STI, 2 x 8-speed

Front Derailleur

Shimano Claris FD-2400, 31.8 mm band clamp

Rear Derailleur

Shimano Claris RD-2400, 8-speed

Rear Cogs

Shimano HG50 cassette, 8-speed, 11-32T

Number of Gears

16 gear(s)

Brake Type

Mechanical Disc Brake


Tektro Lyra flat-mount mechanical disc, with 160 mm front and 140 mm rear rotors

Brake Levers

Shimano Claris ST-2400


Diamondback Equation, 28 h, Doublewall

Front Hub

28 h aluminum quick-release

Rear Hub

28 h aluminum quick-release, cassette

Wheel Size



Diamondback Interval Wire Bead, 700c x 38 mm, reflective sidewall, 60 TPI

Tire Width

38 millimeters

Handlebar Shape

Drop Bar


HED Eroica, 7050 aluminum 8-degree flare, 31.8 mm bar bore


HED Eroica, 6061aAluminum 3D forged, +/-7-degree rise, 31.8 mm bar bore

Seat Post

HED Eroica, 6061 aluminum 27.2 mm


DB Eldorado


DB4L aluminum platform


FSA IS-3/ No.11 integrated style


KMC Z82, 8-speed





Size Chart

Height Range5'1" - 5'4"5'4" - 5'8"5'7" - 5'10"5'10" - 6'1"6'1" - 6'4"
Effective Top Tube525525540560580
Seat Tube Center-Top395475505535565
Standover Height705753774806833
Head Tube Length110130155175200
Head Tube Angle (degrees)7069707172
Seat Tube Angle (degrees)7374.57372.572
Bottom Bracket Height276280280280280
Fork Offset4550505050

Sizing Notes

Measurements are stated in millimeters 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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