2018 Norco Bicycles Tactic Base

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

Geometry

48
50.5
53
55.5
58
60.5
Stack
514mm
527mm
542mm
557mm
577mm
597mm
Reach
373mm
379mm
387mm
395mm
404mm
413mm
Stack to Reach Ratio
1.38:1
1.39:1
1.4:1
1.41:1
1.43:1
1.45:1
Seat Tube Length, C-T
445mm
470mm
500mm
530mm
560mm
590mm
Top Tube Length, Effective/Horizontal HT Top
515mm
530mm
545mm
560mm
577.5mm
595mm
Top Tube Slope
9.8deg
8.4deg
6.7deg
5.1deg
4.1deg
3.2deg
Head Tube Angle
71.5deg
72.5deg
72.75deg
73deg
73.25deg
73.5deg
Seat Tube Angle
74.5deg
74deg
73.75deg
73.5deg
73.25deg
73deg
Head Tube Length
110mm
120mm
135mm
150mm
170mm
190mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
266mm
266mm
266mm
266mm
266mm
266mm
Chainstay Length
405mm
405mm
405mm
407.5mm
407.5mm
407.5mm
Chainstay Length Horizontal
398.9mm
398.9mm
398.9mm
401.4mm
401.4mm
401.4mm
Front-Center
573mm
574mm
585mm
595mm
608mm
620mm
Front-Center Horizontal
568.1mm
570.1mm
581.1mm
590.6mm
603.6mm
615.6mm
Wheelbase
967mm
969mm
980mm
992mm
1005mm
1017mm
Fork Offset/Rake
44.1mm
44.8mm
45.4mm
44.6mm
45mm
44.5mm
Fork Length (On-Axis)
372mm
372mm
372mm
372mm
372mm
372mm
Trail
65.9mm
high
58.9mm
mid/​neutral
56.8mm
mid/​neutral
56.1mm
mid/​neutral
54.2mm
mid/​neutral
53.1mm
mid/​neutral
Mechanical Trail
62.5mm
56.2mm
54.2mm
53.6mm
51.9mm
50.9mm
Wheel Flop
19.8mm
16.9mm
16.1mm
15.7mm
15mm
14.5mm
Standover Height
719mm
741mm
760mm
780mm
800mm
821mm
Tire to Pedal Spindle
67mm
170 mm cranks
68mm
170 mm cranks
76.5mm
172.5 mm cranks
86.5mm
172.5 mm cranks
97mm
175 mm cranks
109mm
175 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
96mm
170 mm cranks
93.5mm
172.5 mm cranks
93.5mm
172.5 mm cranks
91mm
175 mm cranks
91mm
175 mm cranks

Base Build

48
50.5
53
55.5
58
60.5
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
Tire Width
25mm
25mm
25mm
25mm
25mm
25mm
Tire Outer Diameter
672mm
672mm
672mm
672mm
672mm
672mm
Bike Length with Tires
1639mm
1641mm
1652mm
1664mm
1677mm
1689mm
Crank Length
170mm
170mm
172.5mm
172.5mm
175mm
175mm
Stem Length
90mm
90mm
100mm
100mm
110mm
110mm

Published Sizing Recommendations

Height
5 ft 0 in
to
5 ft 3.5 in
5 ft 2.5 in
to
5 ft 6 in
5 ft 5 in
to
5 ft 8.5 in
5 ft 7.5 in
to
5 ft 10 in
5 ft 10 in
to
6 ft 1.5 in
6 ft 0.5 in
to
6 ft 4.5 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.norco.com/bike-archives/2018/tactic-ultegra/