Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Carbon
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Wheels 700c
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Groupset Rival 22, SRAM
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Suspension Rigid
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Drivetrain 2 × 11
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Brakes Mechanical Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
700C Road HMX Carbon, Tapered Headtube, Replaceable Hanger, PF-30, Post Disc Mount
Suspension Fork
700C Carbon Bladed w/ Alloy Tapered Steerer Tube
Drivetrain
Shift Levers
SRAM Rival 22 Speed
Cassette
SRAM PG 1170 11-28
Crank
SRAM S952, Carbon, 34/50T
Bottom Bracket
PF30, press-fit
Chain
KMC X11
Wheels
Front Hub
Reynolds Stratus Elite Disc
Rear Hub
Reynolds Stratus Elite Disc
Spokes
Reynolds Stratus Elite Disc
Tires
Vittoria Zaffiro Folding 700CX23C'
Brakes
Brakes
Avid BB7S Road
Cockpit
Stem
FSA Energy Aluminum Four Bolt Clamp, 31.8mm Bar Bore
Handlebar
FSA Energy Aluminum, 31.8mm Bar Bore
Grips
Padded Cork Tape
Headset
FSA Integrated 1.5" Tapered
Seat
Saddle
Fizik Arione R7, Mg Rail
Seatpost
FSA Energy Micro Adjust
Fit data
Numbers for sizing and ride feel.
| Size | XSM | SM | MD | LRG | XL | XXL |
|---|---|---|---|---|---|---|
| Bottom Bracket Height | 268 mm | 268 mm | 268 mm | 268 mm | 268 mm | 268 mm |
| Front Center | 560 mm | 570 mm | 74 mm | 584 mm | 593 mm | 603 mm |
| Top Tube Length | 514 mm | 534 mm | 549 mm | 564 mm | 579 mm | 589 mm |
| Seat Tube Angle | 72.5 ° | 73.5 ° | 72.5 ° | 72 ° | 71.5 ° | 71.5 ° |
| Seat Tube Length | 450 mm | 480 mm | 510 mm | 540 mm | 570 mm | 600 mm |
| Head Tube Angle | 72.5 ° | 73 ° | 73 ° | 73 ° | 73 ° | 73 ° |
| Head Tube Length | 116 mm | 138 mm | 165 mm | 180 mm | 195 mm | 210 mm |
| Chainstay Length | 409 mm | 409 mm | 409 mm | 409 mm | 409 mm | 409 mm |
| Wheelbase | 958 mm | 969 mm | 374 mm | 983 mm | 992 mm | 1002 mm |
| Bottom Bracket Drop | 68 mm | 68 mm | 68 mm | 68 mm | 68 mm | 68 mm |
| Wheels | 700 | 700 | 700 | 700 | 700 | 700 |
Model Overview
Mainframe 3.0 completes the K2 Mainframe model. 4 bikes variations carry this model name so far. You can get a glimpse at all models from 2015, by clicking on this link.
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 General Road bikes
Our math shows that the average cost of a dependable General Road bike is 1915$. However, paying less money than this amount doesn’t mean that you couldn’t get a great General Road bike. In conclusion, always check bike reviews and their components before making a purchase to make sure you don’t overpay.
Overview of components
Fork material
The fork is made out of carbon, so, its weight is considerably lighter than one made out of steel. However, they cost a bit more than steel forks.
Wheels size
When it comes to wheels, the Mainframe 3.0 bike is equipped with the 700c model. These are the most popular wheels for road, aero, gravel, cyclocross, race, and gravel bikes. However, these wheels don’t perform so well when passing over obstacles.
Brakes
Nothing is more important on a bike than its ability to brake properly. K2 Mainframe 3.0 is equipped with Mechanical Disc brakes. They deliver good performance and cost less than hydraulic disk brakes. However, they don’t have the stopping power of hydraulic brakes.
