Bike details
Overview
Key information split into simple groups.
Frame summary
-
-
Frame Aluminum -
Wheels 27.5" -
Suspension Rigid
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | 15" | 17" | 19" | 21" |
|---|---|---|---|---|
| Stack Reach Ratio | 1.58 mm | 1.52 mm | 1.51 mm | 1.49 mm |
| Bottom Bracket Height | 297 mm | 297 mm | 297 mm | 297 mm |
| Front Center | 650 | 675 mm | 696 mm | 722 mm |
| Rake | 47 mm | 47 mm | 47 mm | 47 mm |
| Trail | 79 mm | 79 mm | 80 mm | 79 mm |
| Stack | 618 mm | 627 mm | 646 mm | 665 mm |
| Reach | 391 mm | 413 mm | 427 mm | 446 mm |
| Top Tube Length | 570 mm | 595 mm | 620 mm | 646 mm |
| Seat Tube Angle | 74 ° | 74 ° | 73.5 ° | 73.5 ° |
| Seat Tube Length | 381 mm | 432 mm | 483 mm | 533 mm |
| Head Tube Angle | 70 ° | 70 ° | 70 ° | 70 ° |
| Head Tube Length | 105 mm | 115 mm | 135 mm | 155 mm |
| Chainstay Length | 432 mm | 432 mm | 432 mm | 432 mm |
| Wheelbase | 1076 mm | 1101 mm | 1121 mm | 1148 mm |
| Bottom Bracket Drop | 58 mm | 58 mm | 58 mm | 58 mm |
| Standover Height | 769 mm | 796 mm | 828 mm | 860 mm |
| Wheels | 27" | 27" | 27" | 27" |
About this model
BIG UNIT is a Kona Big Unit model. Kona released 4 frames variations of this model so far.
Safety
Your safety should be the top priority when you go for a ride. In short, make sure that you always use a helmet, high visibility clothing, and proper lights when riding at night-time.
Average price for Trail frames
According to our math, the average price for a trustworthy Trail frame is 1736$. However, even if your budget is less than the average, you might still be able to get a top-quality Trail frame. To sum up, when you purchase your frame, make sure to check if it has reviews, and also do some components research.