Diamondback Union 2 2021
2021 E-bike
Estimate price |
4,100$
E-bike
Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Groupset Deore, FSA -
Suspension Full -
Motor Bosch 250W 63Nm mid-drive -
Battery Bosch PowerTube 500 -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
MD
165cm - 177cm
LG
175cm - 188cm
XL
185cm - 198cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Formed 6061 T6 Oversize Aluminum Alloy Thru Axle Dropout, Disc Brake Specific, Powertube Integrated Battery
Suspension Fork
Formed 6061 T6 w/ Integrated Crown, Disc Brake, Thru Axle
Rear Shock
*
Drivetrain
Rear Derailleur
Shimano Deore M610, SGS
Front Derailleur
*
Shift Levers
Shimano Deore SL-M6000, 10 Speed
Cassette
Shimano, 11-32 tooth, 10 Speed
Crank
FSA Forged Aluminum for Bosch System
Bottom Bracket
*
Chain
KMC x10e EPT, Ebike Specific
Pedals
Shoe Friendly Urban Design, Resin Body
Wheels
Front Hub
Formula, Sealed Bearing, Thru Axle
Rear Hub
Formula, Sealed Bearing, Thru Axle
Rims
Aluminum 27.5", Black Anodized, 25mm ID, Disc Specific, 32 Hole
Spokes
Black w/Silver Nipples
Tires
27.5" x 2.4" Schwalbe Super Moto
Brakes
Brakes
Shimano MT420, 4 Piston Front 180mm Rotor, 2 Piston Rear 160mm Rotor
Brake Levers
Shimano MT420, 2 Finger Lever
Cockpit
Stem
Aluminum Alloy 3d Forged
Handlebar
Aluminum Alloy
Grips
Ergo Comfort Control
Headset
Integrated, Sealed Bearing
Seat
Saddle
Custom Ergo Performance
Seatpost
Aluminum Alloy Forged Head, 350mm
Motor & Battery
Motor
Bosch Performance Line Speed, 85Nm Torque, 28mph
Battery
Bosch PowerTube 500
Remote
Bosch Kiox
Charger
Bosch 4A
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.5 mm | 1.49 mm | 1.5 mm |
| Bottom Bracket Height | 288 mm | 288 mm | 288 mm |
| Front Center | 663 mm | 673 mm | 689 mm |
| Rake | 50 mm | 50 mm | 50 mm |
| Trail | 77 mm | 73 mm | 74 mm |
| Stack | 608 mm | 619 mm | 638 mm |
| Reach | 404 mm | 415 mm | 425 mm |
| Top Tube Length | 591 mm | 606 mm | 621 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 430 mm | 480 mm | 530 mm |
| Head Tube Angle | 70 ° | 70.5 ° | 70.5 ° |
| Head Tube Length | 160 mm | 170 mm | 190 mm |
| Chainstay Length | 466 mm | 466 mm | 466 mm |
| Wheelbase | 1121 mm | 1131 mm | 1147 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm |
| Standover Height | 746 mm | 782 mm | 816 mm |
| Wheels | 27" | 27" | 27" |
| Rider Min Height | 165 cm | 175 cm | 185 cm |
| Rider Max Height | 177 cm | 188 cm | 198 cm |
About this model
Union 2 belongs to the Diamondback E Union model. There are 6 e-bikes that carry this model name. Take a sneak peek at all Diamondback E Union e-bikes models from 2021, by clicking here.
Model range prices
Diamondback Union 1 2021 is the most economical model, with a starting price of 3500$. Diamondback Union 2 2021 on the other hand costs 4100$, and is the most expensive model.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Crosscountry e-bikes
Our math shows that the average cost of a dependable Crosscountry e-bike is 2453$. However, even though the average price of a Crosscountry e-bike is lower, you might still be able to get a top-quality e-bike. To make sure you don’t pay a higher amount than normal for your e-bike, always do some components analysis and read reviews.
When Diamondback released this model in 2021, its price was 4100$. If we compare this with the average Crosscountry e-bike cost we notice that the price is 67.14% more expensive.
Union 2 components
Fork material
The fork is made out of aluminum, so there won’t be much extra weight added to the e-bike. However, they are not so stiff as carbon forks are.
Wheels size
The wheels on Union 2 are the 27.5″ aluminum type. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, these wheels have a slower top speed if you compare them to 29″ wheels.
Brakes
For your safety, it is important to have quality breaks on your bike. Diamondback Union 2 has Hydraulic Disc brakes installed. Hydraulic disc brakes provide amazing stopping power, no matter what the terrain. To sum up, you can ride your bike with confidence.
Sizes
Diamondback Union 2 e-bike has 3 sizes, in the range of 165 cm – 198 cm (5.41 ft – 6.5 ft). In short, it won’t be difficult to find the right one for you.