The K2 Mainframe is K2's return to the road bike market in a big way. The entry level Mainframe Womens Specifc bike features a butted light weight X6 Aluminum Frame with carbon fork, full SRAM Apex drivetrain and Tektro Dual Pivot brakes, this is  a value-packed component set to ensure your rides, from commutes to group outings, are speedy and fun.




 700C Road X6 Aluminum Butted Hydro Formed Tubing, Tapered Headtube, Replaceable Hanger

700C Carbon  Bladed w/ Alloy Tapered Steerer Tube

Sram Apex WiFli 2X10

 Tektro R317 Alloy Dual Pivot 57mm Reach

  Sram S150 34/50T

 Sram Apex WiFli, Sram Apex WiFli, 10Speed Long Cage

 Smokey Charcoal



Frame  700C Road X6 Butted Aluminum Hydro Formed Tubing, Tapered Headtube, PF-30,

Replaceable Hanger, Disc Post Mount

Color  Smokey Charcoal

Fork  700C Carbon  Bladed w/ Alloy Tapered Steerer Tube

Rear Shock  N/A


Front Derailluer  Sram Apex WiFli

Rear Derailluer  Sram Apex WiFli 10Speed Long Cage

Cassette  Sram PG-1050 11-32T

Chain  KMC X10

Crankset  Sram S150 34/50T


Headset  FSA Integrated 1.5" Tapered

Stem  Aluminum Four Bolt Clamp, 31.8mm Bar Bore

Handlebar  Alluminum Compact Bend, 31.8mm Bar Bore

Grips  Padded Cork Tape

Shifter  Sram Apex WiFli 2X10

Front Brake  Tektro R317  Alloy Dual Pivot 5, 7mm Reach

Rear Brake Tektro R317  Alloy Dual Pivot 5, 7mm Reach

Brake Lever  Sram Apex

Seatpost  Alloy Micro Adjust

Saddle  Crucial Road Foam Padded, Steel Rail


Front Hub  Alloy QR

Rear Hub  Alloy Cassette QR

Spokes  Stainless 14G

Rims  Alex R500 Double Wall Alloy 32H

Tires  Vittoria Zaffiro 700CX23C'


s = Seat tube

tt = Top tube

ht = Head tube

ha = Head tube angle

sa = Seat angle

rc = Chain tube

Untitled Document
Model Size Effective Top Tube Seat Tube (C-T) Head Tube Chain Stay BB Drop Wheel Base Seat Angle Head Angle Fork Length Offset
1.0 XSM 515 450 116 410 68 959.1 74° 72.5° 370 45
  SML 535 480 138 410 68 969.9 73.5° 73° 370 45
  MED 550 510 165 410 68 990.5 73.5° 73° 370 45
  LRG 565 540 180 410 68 1005.3 73.5° 73° 370 45
  XLG 580 570 195 410 68 1022.1 73.5° 73° 370 45

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