2021 Losa AERO21D F12

Category
Triathlon
Design
Drop Bar, Rigid, non-suspension corrected
Fork
Carbon/Composite
Features
Disc brake
Very upright stack and reachvs category

Geometry

59
Stack
574.5mm
Reach
405mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, C-T
590mm
Seat Tube Length, Effective Center
575mm
Top Tube Slope
0.9deg
Head Tube Angle
72deg
Seat Tube Angle
73.5deg
Head Tube Length
157.9mm
Bottom Bracket Drop
69mm
Bottom Bracket Height
270mm
Chainstay Length
410mm
Chainstay Length Horizontal
404.2mm
Front-Center
710mm
Front-Center Horizontal
605.9mm
Wheelbase
1010mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
371mm
Trail
62.8mm
mid/​neutral
Mechanical Trail
59.8mm
Wheel Flop
18.5mm
Tire to Pedal Spindle
198.5mm
172.5 mm cranks
Pedal Spindle to Ground Clearance
97.5mm
172.5 mm cranks

F12 Build

59
Wheel Size
700C/29 in
622 mm BSD
Tire Width
28mm
Tire Width Max
32mm
Tire Outer Diameter
678mm
Bike Length with Tires
1688mm
Crank Length
172.5mm
Handlebar Width
400mm
Stem Length
110mm

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mmStack450mm500mm550mm600mm650mm700mm59
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
Triathlon
Source:https://telailosa.com/framekit/aero21d/