2021 Tumbleweed Bicycle Co. Stargazer 27.5+

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category

Geometry

Small
Medium
Extra Medium
Large
Extra Large
Stack
574mm
597mm
630mm
653mm
672mm
Reach
365mm
372mm
382mm
389mm
403mm
Stack to Reach Ratio
1.57:1
1.6:1
1.65:1
1.68:1
1.67:1
Seat Tube Length, C-T
380mm
430mm
460mm
490mm
545mm
Top Tube Length, Effective/Horizontal Unknown
535mm
555mm
575mm
595mm
615mm
Top Tube Slope
23.9deg
20.5deg
20.2deg
19.1deg
15deg
Head Tube Angle
69deg
69deg
69deg
69deg
69deg
Seat Tube Angle
73.5deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
115mm
140mm
175mm
200mm
220mm
Bottom Bracket Drop
63.5mm
63.5mm
63.5mm
63.5mm
63.5mm
Bottom Bracket Height
301.5mm
301.5mm
301.5mm
301.5mm
301.5mm
Chainstay Length
450mm
450mm
450mm
450mm
450mm
Chainstay Length Horizontal
445.5mm
445.5mm
445.5mm
445.5mm
445.5mm
Front-Center
623.1mm
638.9mm
661.4mm
677.2mm
698.4mm
Front-Center Horizontal
619.9mm
635.7mm
658.4mm
674.2mm
695.5mm
Wheelbase
1065.4mm
1081.2mm
1103.9mm
1119.7mm
1141mm
Fork Offset/Rake
55mm
55mm
55mm
55mm
55mm
Fork Length (Axle-To-Crown)
440mm
440mm
440mm
440mm
440mm
Trail
81.2mm
very high
81.2mm
very high
81.2mm
very high
81.2mm
very high
81.2mm
very high
Mechanical Trail
75.8mm
75.8mm
75.8mm
75.8mm
75.8mm
Wheel Flop
27.2mm
27.2mm
27.2mm
27.2mm
27.2mm
Tire to Pedal Spindle
88.1mm
170 mm cranks
103.9mm
170 mm cranks
126.4mm
170 mm cranks
142.2mm
170 mm cranks
163.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
131.5mm
170 mm cranks
131.5mm
170 mm cranks
131.5mm
170 mm cranks
131.5mm
170 mm cranks
131.5mm
170 mm cranks

27.5+ Build

Small
Medium
Extra Medium
Large
Extra Large
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
3in
3in
3in
3in
3in
Tire Width Max
3in
3in
3in
3in
3in
Tire Outer Diameter
730mm
730mm
730mm
730mm
730mm
Bike Length with Tires
1795.4mm
1811.2mm
1833.9mm
1849.7mm
1871mm

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
Off-road Touring
Source:https://tumbleweed.cc/collections/bikes/products/stargazer