2021 Decathlon RockRider AM 100 HT
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Aluminum
- Fork
- Aluminum
- Suspension
- 130mm fork travel
- Features
- Disc brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average 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
Small | Medium | Large | X Large | |
Stack | 616.7mm | 621.2mm | 634.9mm | 648.6mm |
Reach | 410.1mm | 431.5mm | 447.6mm | 463.8mm |
Stack to Reach Ratio | 1.5:1 | 1.44:1 | 1.42:1 | 1.4:1 |
Seat Tube Length, Unknown | 370mm | 400mm | 450mm | 500mm |
Top Tube Length, Effective/Horizontal Unknown | 600mm | 610mm | 630mm | 650mm |
Head Tube Angle | 66deg | 66deg | 66deg | 66deg |
Effective Seat Tube Angle, Unknown | 71deg | 72deg | 72deg | 73deg |
Head Tube Length | 100mm | 105mm | 120mm | 135mm |
Bottom Bracket Drop | 50mm | 50mm | 50mm | 50mm |
Bottom Bracket Height | 299.2mm | 299.2mm | 314.3mm | 314.3mm |
Chainstay Length | 433.5mm | 433.5mm | 433.5mm | 433.5mm |
Chainstay Length Horizontal | 430.6mm | 430.6mm | 430.6mm | 430.6mm |
Front-Center | 719.9mm | 743.7mm | 765.8mm | 787.8mm |
Front-Center Horizontal | 718.2mm | 742mm | 764.2mm | 786.2mm |
Wheelbase | 1148.8mm | 1172.6mm | 1194.8mm | 1216.8mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm |
Trail | 99.6mm very high | 99.6mm very high | 106.4mm very high | 106.4mm very high |
Mechanical Trail | 91mm | 91mm | 97.2mm | 97.2mm |
Wheel Flop | 37mm | 37mm | 39.5mm | 39.5mm |
Tire to Pedal Spindle | 200.8mm 170 mm cranks | 224.5mm 170 mm cranks | 231.5mm 170 mm cranks | 253.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 129.2mm 170 mm cranks | 129.2mm 170 mm cranks | 144.3mm 170 mm cranks | 144.3mm 170 mm cranks |
AM 100 HT Build
Small | Medium | Large | X Large | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.1in | 2.1in |
Tire Width Max | 2.8in | 2.8in | 2.8in | 2.8in |
Tire Outer Diameter | 698.3mm | 698.3mm | 728.7mm | 728.7mm |
Bike Length with Tires | 1847.1mm | 1870.9mm | 1923.5mm | 1945.5mm |
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 | 184 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 ScaleCategory Trend
Hardtail All-mountain/Enduro MTBSource:https://www.decathlon.it/p/mtb-all-mountain-am-hardtail/_/R-p-331946?mc=8641876