2021 Koozer GX5300 Base

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

Geometry

48
50
52
54
56
Stack
530mm
540mm
550mm
559mm
578mm
Reach
360mm
364mm
368mm
379mm
394mm
Stack to Reach Ratio
1.47:1
1.48:1
1.49:1
1.47:1
1.47:1
Seat Tube Length, C-T
480mm
500mm
520mm
540mm
560mm
Top Tube Length, Effective/Horizontal Unknown
507mm
512mm
525mm
540mm
560mm
Top Tube Slope
7.9deg
6.8deg
5.6deg
4.3deg
4.1deg
Head Tube Angle
70deg
70deg
70deg
70deg
70deg
Seat Tube Angle
74deg
74deg
74deg
74deg
74deg
Head Tube Length
100mm
100mm
120mm
130mm
150mm
Bottom Bracket Drop
68mm
68mm
68mm
68mm
68mm
Bottom Bracket Height
288mm
288mm
288mm
288mm
288mm
Chainstay Length
435mm
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
429.7mm
429.7mm
429.7mm
429.7mm
429.7mm
Front-Center
585.3mm
592.9mm
600.5mm
614.7mm
636.5mm
Front-Center Horizontal
581.4mm
589mm
596.6mm
610.9mm
632.8mm
Wheelbase
1011mm
1018.7mm
1026.3mm
1040.6mm
1062.5mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length (On-Axis)
395mm
395mm
395mm
395mm
395mm
Trail
76.4mm
high
76.4mm
high
76.4mm
high
76.4mm
high
76.4mm
high
Mechanical Trail
71.8mm
71.8mm
71.8mm
71.8mm
71.8mm
Wheel Flop
24.5mm
24.5mm
24.5mm
24.5mm
24.5mm
Tire to Pedal Spindle
59.3mm
170 mm cranks
66.9mm
170 mm cranks
74.5mm
170 mm cranks
88.7mm
170 mm cranks
110.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks
118mm
170 mm cranks

Base Build

48
50
52
54
56
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
Tire Width
45mm
45mm
45mm
45mm
45mm
Tire Width Max
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
712mm
712mm
712mm
712mm
712mm
Bike Length with Tires
1723mm
1730.7mm
1738.3mm
1752.6mm
1774.5mm

Published Sizing Recommendations

Height
165 cm
to
170 cm
170 cm
to
175 cm
175 cm
to
180 cm
180 cm
to
185 cm
185 cm
to
195 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
Cyclocross
Source:https://www.aliexpress.com/item/4001038035775.html?spm=a2g0o.cart.0.0.22243c00n0XvCN&mp=1