2026 Format 1895 Base

Design
Flat Bar, Rigid, non-suspension corrected
Features
Rim brake
Somewhat aggressive stack and reachvs category

Geometry

580
Stack
532.6mm
Reach
411.7mm
Stack to Reach Ratio
1.29:1
Seat Tube Length, C-T
520mm
Seat Tube Length, Unknown
580mm
Top Tube Length, Effective/Horizontal HT Top
545mm
Top Tube Length, Effective/Horizontal Unknown
571.6mm
Top Tube Slope
3.4deg
Head Tube Angle
73deg
Seat Tube Angle
74deg
Head Tube Length
130mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
301mm
Chainstay Length
400mm
Chainstay Length Horizontal
396.9mm
Front-Center
599mm
Front-Center Horizontal
596.9mm
Wheelbase
993.8mm
Fork Offset/Rake
36mm
Fork Length, Unknown
385.7mm
Trail
69.7mm
high
Mechanical Trail
66.6mm
Wheel Flop
19.5mm
Tire to Pedal Spindle
78mm
170 mm cranks
Pedal Spindle to Ground Clearance
131mm
170 mm cranks

Base Build

580
Wheel Size
700C/29 in
622 mm BSD
Tire Width
40mm
Tire Width Max
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1695.8mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Track/Fixed-gear
Source:https://www.format.bike/bike/1895/