2021 Decathlon RockRider AM 100 S

Design
Flat Bar, Full suspension
Frame
Aluminum
Suspension
150mm fork travel
Features
Disc brake
Unlisted
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
M
L
XL
Stack
622.7mm
622.8mm
636.4mm
650.1mm
Reach
421.4mm
430.6mm
447.5mm
463.6mm
Stack to Reach Ratio
1.48:1
1.45:1
1.42:1
1.4:1
Seat Tube Length, Unknown
420mm
430mm
480mm
530mm
Top Tube Length, Effective/Horizontal Center
600mm
610mm
630mm
650mm
Top Tube Slope
22.2deg
20.9deg
16.8deg
13deg
Head Tube Angle
66deg
66deg
66deg
66deg
Seat Tube Angle
74deg
74deg
74deg
74deg
Head Tube Length
105mm
105mm
120mm
135mm
Bottom Bracket Drop
32.2mm
32.2mm
32.2mm
32.2mm
Bottom Bracket Height
337.2mm
337.2mm
337.2mm
337.2mm
Chainstay Length
445mm
445mm
445mm
445mm
Chainstay Length Horizontal
443.8mm
443.8mm
443.8mm
443.8mm
Front-Center
733.3mm
743.2mm
762.4mm
787.5mm
Front-Center Horizontal
732.6mm
742.5mm
761.7mm
786.9mm
Wheelbase
1176.4mm
1186.3mm
1205.5mm
1230.7mm
Fork Offset/Rake
44mm
44mm
44mm
44mm
Fork Length (Axle-To-Crown)
561mm
561mm
561mm
561mm
Trail
116.3mm
very high
116.3mm
very high
116.3mm
very high
116.3mm
very high
Mechanical Trail
106.3mm
106.3mm
106.3mm
106.3mm
Wheel Flop
43.2mm
43.2mm
43.2mm
43.2mm
Tire to Pedal Spindle
193.9mm
170 mm cranks
203.7mm
170 mm cranks
222.9mm
170 mm cranks
248.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
167.2mm
170 mm cranks
167.2mm
170 mm cranks
167.2mm
170 mm cranks
167.2mm
170 mm cranks

AM 100 S Build

S
M
L
XL
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
Tire Width
2.3in
2.3in
2.3in
2.3in
Tire Width Max
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
738.8mm
738.8mm
738.8mm
738.8mm
Bike Length with Tires
1915.2mm
1925.1mm
1944.3mm
1969.5mm
Handlebar Width
760mm
760mm
760mm
760mm
Stem Length
35mm
35mm
35mm
35mm

Published Sizing Recommendations

Height
155 cm
to
164 cm
165 cm
to
174 cm
175 cm
to
184 cm
185 cm
to
200 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
Source:https://contents.mediadecathlon.com/p1847540/k$12bdc16b646bd390314d93014c3fdbe2/sq/V+lo+VTT+ALL+MOUNTAIN+AM+100S+29.webp?f=1000x1000