2021 Northrock SR1 Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Rim brake

Geometry

53.5
Stack
545mm
Reach
386.4mm
Stack to Reach Ratio
1.41:1
Seat Tube Length, C-T
535mm
Top Tube Length, Effective/Horizontal Center
565mm
Top Tube Length, Actual C-C
549.3mm
Top Tube Slope
7deg
Seat Tube Angle
73.5deg
Head Tube Length
172mm
Bottom Bracket Height
Chainstay Length
420mm
Trail
Mechanical Trail
Wheel Flop
Standover Height
776mm

Base Build

53.5
Wheel Size
700C/29 in
622 mm BSD
Tire Width
23mm
Tire Width Max
25mm
Tire Outer Diameter
668mm
Crank Length
170mm
Handlebar Width
44cm
Stem Length
65mm
Stem Angle
6deg

Published Sizing Recommendations

Height
170 cm
to
180 cm

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://northrockbikes.ca/road/