Bike details
Overview
Key information split into simple groups.
Bike summary
-
Category -
Frame Aluminum -
Wheels 27.5" -
Travel Front 80mm -
Fork SunTour XCT
-
Groupset Acera, Tourney -
Suspension Hardtail -
Drivetrain 3 × 8 -
Brakes Mechanical Disc
Sizing
Recommended size guide.
SM
158cm - 171cm
MD
168cm - 180cm
LG
178cm - 189cm
XL
186cm - 199cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Overdrive 27" Butted 6061-T6 Aluminum w/ Formed Top / Down Tube, machined headtube, forged drop outs w/replaceable hanger, disc only
Suspension Fork
SR Suntour XCT 27.5 coil spring 80 mm travel, Preload Adjust
Drivetrain
Rear Derailleur
Shimano Acera M360, 8 Speed
Front Derailleur
Shimano Tourney, top pull, 31.8
Shift Levers
Shimano Altus EF-51 3x8spd
Cassette
Shimano HG-31, 8 Speed, Cassette, 11-32T
Crank
Suntour XCT, 42/32/22T
Bottom Bracket
Square Taper - 5pc
Chain
KMC Z82
Pedals
Alloy Forged
Wheels
Front Hub
32h SL-7 Alloy w/ CNC Disc Mount
Rear Hub
32h SL-7 Alloy w/ CNC Disc Mount, Cassette
Rims
DB SL7 27.5" 32h, Doublewall
Spokes
14g Stainless
Tires
Chaoyang Hornet 27.5x2.1
Brakes
Brakes
Tektro Aires Mechanical Disc w/ 160mm Front / 160mm Rear Rotors
Brake Levers
Shimano Altus EF-51
Cockpit
Stem
DB AL6061 Ahead, 31.8mm, 7°
Handlebar
DB Flat Bar, 720mm wide, Flat Bar,31.8mm
Grips
DB4L 135mm Kraton
Headset
Integrated FSA Drop-in ACB upper, Zero Stack lower internal cup and cartridge bearing, 1 1/8"
Seat
Saddle
DB Race s M-series Saddle
Seatpost
DB Laser Micro Adjust 30.9mm
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Bottom Bracket Height | 305 mm | 305 mm | 305 mm | 305 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Top Tube Length | 580 mm | 605 mm | 626 mm | 646 mm |
| Seat Tube Angle | 73 ° | 73 ° | 73 ° | 73 ° |
| Seat Tube Length | 406 mm | 457 mm | 508 mm | 559 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 105 mm | 125 mm | 145 mm | 165 mm |
| Chainstay Length | 436 mm | 436 mm | 436 mm | 436 mm |
| Wheelbase | 1067 mm | 1093 mm | 1114 mm | 1135 mm |
| Bottom Bracket Drop | 50 mm | 50 mm | 50 mm | 50 mm |
| Standover Height | 692 mm | 743 mm | 793 mm | 832 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |
About this model
Overdrive ST 27.5 is part of the Diamondback Overdrive model. Diamondback launched 37 bikes of this model so far. Take a sneak peek at all Diamondback Overdrive bikes models from 2017, by clicking here.
Model range prices
Diamondback Overdrive 27.5 2017 is the cheapest bike model and costs 499$. Diamondback Overdrive Carbon Pro 29 2017 is the most expensive one and costs 2799$.
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.
Crosscountry bikes average price
If you want an acceptable Crosscountry bike you should know that the average price is 1905$. However, even if your budget is less than the average, you might still be able to get a top-quality Crosscountry bike. As a general rule of thumb, you should always read reviews about the bike and its components before buying it to ensure you don’t pay too much.
Overdrive ST 27.5 components
Fork
This bike has the SunTour XCT fork installed. The fork’s travel is 80mm. Bike forks absorb the shocks and give you a smooth and pleasant ride. In short, make sure you choose one with a decent fork when you purchase your dream bike.
Wheels
The Overdrive ST 27.5 2017 bike is equipped with 27.5″ aluminum wheels when leaving the factory. 27.5″ wheels will reach higher speeds than smaller-sized wheels. However, the 27.5″ wheels are less forgiving than the 29″ wheels.
Brakes
Nothing is more important on a bike than its ability to brake properly. Diamondback Overdrive ST 27.5 is equipped with Mechanical Disc brakes. These brakes are also very popular, and a lot cheaper than hydraulic disk brakes. However, performance-wise there is room for improvement.
Sizes
This bike is available in 4 sizes. They vary from 158 cm – 199 cm (5.18 ft – 6.53 ft). In conclusion, it won’t take much to find one that’s right for you.