2025 ARC8 Bicycles Extra 2 Coil, Mullet, 170/160
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Fork
- Aluminum
- Suspension
- 170mm fork travel, 160mm rear travel, 30% sag
- Features
- Disc brake
Geometry
S (27.5/High) | S (29/Low) | M (27.5/High) | M (29/Low) | L (27.5/High) | L (29/Low) | |
Stack | 632mm | 632mm | 646mm | 646mm | 664mm | 664mm |
Reach | 440mm | 440mm | 470mm | 470mm | 500mm | 500mm |
Stack to Reach Ratio | 1.44:1 | 1.44:1 | 1.37:1 | 1.37:1 | 1.33:1 | 1.33:1 |
Seat Tube Length, C-T | 380mm | 380mm | 400mm | 400mm | 440mm | 440mm |
Top Tube Length, Effective/Horizontal Center | 575mm | 575mm | 607mm | 607mm | 641mm | 641mm |
Head Tube Angle | 63deg | 63deg | 63deg | 63deg | 63deg | 63deg |
Effective Seat Tube Angle, Unknown | 78deg | 78deg | 78deg | 78deg | 78deg | 78deg |
Head Tube Length | 100mm | 100mm | 115mm | 115mm | 135mm | 135mm |
Bottom Bracket Drop | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Bottom Bracket Height | 315mm | 334mm | 315mm | 334mm | 315mm | 334mm |
Chainstay Length | 430mm | 442mm | 433mm | 445mm | 436mm | 448mm |
Chainstay Length Horizontal | 428.3mm | 440.4mm | 431.3mm | 443.4mm | 434.3mm | 446.4mm |
Front-Center | 793.6mm | 793.6mm | 830.5mm | 830.5mm | 857.5mm | 868.5mm |
Front-Center Horizontal | 792.7mm | 792.6mm | 829.7mm | 829.6mm | 856.7mm | 867.6mm |
Wheelbase | 1221mm | 1233mm | 1261mm | 1273mm | 1291mm | 1314mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Fork Length (Axle-To-Crown) | 588mm | 588mm | 588mm | 588mm | 588mm | 588mm |
Trail | 130.5mm very high | 140.1mm very high | 130.5mm very high | 140.1mm very high | 130.5mm very high | 140.1mm very high |
Mechanical Trail | 116.2mm | 124.9mm | 116.2mm | 124.9mm | 116.2mm | 124.9mm |
Wheel Flop | 52.8mm | 56.7mm | 52.8mm | 56.7mm | 52.8mm | 56.7mm |
Tire to Pedal Spindle | 270.6mm 170 mm cranks | 251.6mm 170 mm cranks | 307.6mm 170 mm cranks | 288.5mm 170 mm cranks | 334.5mm 170 mm cranks | 326.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 145mm 170 mm cranks | 164mm 170 mm cranks | 145mm 170 mm cranks | 164mm 170 mm cranks | 145mm 170 mm cranks | 164mm 170 mm cranks |
Coil, Mullet, 170/160 Build
S (27.5/High) | S (29/Low) | M (27.5/High) | M (29/Low) | L (27.5/High) | L (29/Low) | |
Wheel Size | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 705.9mm | 743.9mm | 705.9mm | 743.9mm | 705.9mm | 743.9mm |
Bike Length with Tires | 1926.9mm | 1976.9mm | 1966.9mm | 2016.9mm | 1996.9mm | 2057.9mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm |
Published Sizing Recommendations
PBH | 160 in to 174 in | 160 in to 174 in | 174 in to 183 in | 174 in to 183 in | 183 in to 205 in | 183 in to 205 in |
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
Full-suspension All-mountain/Enduro MTBSource:https://www.arc8bicycles.de/