2017 HongFu Bikes FM258 Base 17.5"

Build

700C/29 in × 2.25 in

Insights

Somewhat aggressive stack and reach vs trend of full-suspension cross-country mtb bikes
Design deviates from other sizes of HongFu Bikes FM258
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
584.4mm
Reach
432mm
Stack to Reach Ratio
1.35:1
Seat Tube Length, C-T
445mm
Top Tube Length, Effective/Horizontal HT Top
600mm
Head Tube Angle
69deg
Effective Seat Tube Angle, ETT HT Top
74deg
Head Tube Length
95mm
Bottom Bracket Drop
50.6mm
Bottom Bracket Height
317.6mm
Chainstay Length
435mm
Chainstay Length Horizontal
432.1mm
Front-Center
693.9mm
Front-Center Horizontal
692.1mm
Wheelbase
1124.1mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
500mm
Trail
86.7mm
very high
Mechanical Trail
80.9mm
Wheel Flop
29mm
Tire to Pedal Spindle Distance
With 170 mm cranks
155.8mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
147.6mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.25in
Tire Outer Diameter
736.3mm
Bike Length with Tires
1860.4mm
Suspension Type
Full suspension
Bar Type
Flat Bar
Fork Travel
100mm
Rear Travel
100mm
Suspension Sag
Unknown
Frame Material
Carbon/Composite
Fork Material
Unknown
Brake Type
Unknown
Source:http://www.hongfu-bikes.com/html_Products/Mountain_Frame/29ER_Mountain_Frame/2017/0622/482.html