2022 Diamondback Bicycles Union 1 MD 5'7" - 5'10"

Build

650B/27.5 in × 2.4 in

Insights

Average stack and reach vs trend of commuter bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
612mm
Reach
408mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
430mm
Top Tube Length, Effective/Horizontal Center
595mm
Top Tube Slope
20.6deg
Head Tube Angle
70deg
Seat Tube Angle
73deg
Head Tube Length
160mm
Bottom Bracket Drop
65mm
Bottom Bracket Height
288mm
Chainstay Length
470mm
Chainstay Length Horizontal
465.5mm
Front-Center
662.7mm
Front-Center Horizontal
659.5mm
Wheelbase
1125mm
Fork Offset/Rake
50mm
Fork Length, Unknown
440mm
Trail
75.3mm
high
Mechanical Trail
70.7mm
Wheel Flop
24.2mm
Standover Height
750mm
Tire to Pedal Spindle Distance
With 170 mm cranks
139.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
118mm

1 Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.4in
Tire Outer Diameter
705.9mm
Bike Length with Tires
1830.9mm
Crank Length
170mm
Handlebar Width
700mm
Stem Length
80mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc
Features
E-bike
Source:https://www.diamondback.com/bikes/road-gravel-bikes/ebike/union-1-4664