2021 Dolan Bikes Preffisio Aluminium

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Rim brake
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category

Geometry

XXS
XS
SML
MED
LRG
X-LRG
XX_LRG
Stack
487mm
499mm
513mm
540.7mm
559.8mm
578.9mm
598mm
Reach
396.9mm
404mm
401mm
394mm
396.4mm
402.4mm
404.5mm
Stack to Reach Ratio
1.23:1
1.24:1
1.28:1
1.37:1
1.41:1
1.44:1
1.48:1
Seat Tube Length, C-T
450mm
500mm
520mm
540mm
560mm
580mm
600mm
Top Tube Length, Effective/Horizontal Center
511mm
535mm
540mm
550mm
560mm
570mm
580mm
Top Tube Slope
5.7deg
1.7deg
1.2deg
2.3deg
2.2deg
2.2deg
2.1deg
Head Tube Angle
71deg
72deg
72deg
73deg
73deg
73deg
73deg
Seat Tube Angle
76deg
75deg
75deg
74deg
74deg
74deg
74deg
Head Tube Length
95mm
105mm
120mm
140mm
160mm
180mm
200mm
Bottom Bracket Height
Trail
Mechanical Trail
Wheel Flop

Aluminium Build

XXS
XS
SML
MED
LRG
X-LRG
XX_LRG
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
28mm
28mm
28mm
28mm
28mm
28mm
28mm
Tire Width Max
30mm
30mm
30mm
30mm
30mm
30mm
30mm
Tire Outer Diameter
678mm
678mm
678mm
678mm
678mm
678mm
678mm
Crank Length
170mm
170mm
170mm
172.5mm
172.5mm
175mm
175mm
Handlebar Width
42mm
42mm
42mm
44mm
44mm
44mm
46mm
Stem Length
8mm
8mm
9mm
9mm
10mm
11mm
12mm

Published Sizing Recommendations

Height
4 ft 10 in
to
5 ft 2 in
5 ft 2 in
to
5 ft 4 in
5 ft 4 in
to
5 ft 6 in
5 ft 6 in
to
5 ft 9 in
5 ft 9 in
to
5 ft 11 in
5 ft 11 in
to
6 ft 1 in
6 ft 1 in
to
6 ft 5 in

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
Performance Road
Source:https://www.dolan-bikes.com/dolan-preffisio-aluminium-road-bike-105-r7000/