Balfa 2Step FR

FRAME OVERVIEW

Balfa 2Step FR is a 5.4" (137 mm) travel frame dedicated for enduro, all mountain and freeride use.

It's meant for all day riding and going up before hammering down. Features the Balfa 2-Step linkage allowing for good pedalling efficiency as well as plush suspension. As all full suspension Balfas, it has beefy alloy front end and Cr-Mo rear end. Producer claims that this frame is tough enough for DH and light enough for XC duties.

Balfa 2Step FR

GEOMETRY

Balfa 2Step FR geometry
Imperial dimensions (inches) SIZE
Regular Large
A Seat Tube length 15.9 17.4
B Top Tube length 22.2 23.4
C Head Tube Angle 69°
D Seat Tube Angle 65°
E Chainstay Length 16.9
F Wheelbase 43.0 44.0
G Bottom Bracket Height 14.3
H Standover Height 27.4 28.2
I Head Tube Height 4.6
J Fork length 19.9

Metric dimensions (mm) SIZE
Regular Large
A Seat Tube length 405 443
B Top Tube length 564 595
C Head Tube Angle 69°
D Seat Tube Angle 65°
E Chainstay Length 429
F Wheelbase 1093 1119
G Bottom Bracket Height 364
H Standover Height 696 717
I Head Tube Height 118
J Fork length 505

TECHNICAL DETAILS

  • Rear wheel travel - 5.4" (137 mm)
  • Rear shock size - 7.875 x 2.0" (200 x 50 mm)
  • Seatpost diameter - 27.2 mm
  • Seatpost collar diameter - 31.8 mm
  • Headset - 1 1/8"
  • Rear axle width: 135 mm
  • BB shell width - 73 mm
  • BB axle length - 113 to 116 mm (depending on chainline)
  • Front derailleur - down swing, top-pull (with 31.8 mm collar)
  • Tyre clearance - 26 x 2.5"
  • Pivot bearings - 6001 RS (eight)

SUSPENSION DESIGN

2Step is suspension design with temporary (moving with compression) pivot point. It is very similar to Maestro, or DW Link. Such design's advantages are good pedalling efficiency (little to none pedal bob) and close to none suspension feedback under braking (brake-jack).




Animations by MMcG25


Balfa 2Step FR suspension layout
Balfa 2Step FR suspension - static
Balfa 2Step FR compressed suspension
Balfa 2Step FR suspension - full compression

Suspension characteristics (red line shows type of suspension rate), axle path (dimensions in milimeters) and chain growth:

Balfa 2Step FR suspension characteristics
Suspension characteristics - raising rate in first 60 mm, then falling rate
Balfa 2Step FR axle path
Rear axle path - rearward in first 60 mm
Balfa 2Step FR chain growth
Chain growth - close to none (about 9.6 mm maximum)

You can download 2Step FR layout for Linkage2 here (view BB7 suspension design for details and program download).

LOGO AND DECALS

If you need to print a new set of stickers for your Balfa, visit common "Logo and frame decals" section.

PHOTOS

LINKS

For more information about Balfa 2Step FR visit: