2025 ARC8 Bicycles Extra 2 Coil, Mullet, 170/160 S (27.5/High)
Build
650B/27.5 in × 2.4 in
Insights
Somewhat upright stack and reach vs trend of full-suspension all-mountain/enduro mtb bikes
Design deviates from other sizes of ARC8 Bicycles Extra 2
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 632mm |
| Reach | 440mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 380mm |
| Top Tube Length, Effective/Horizontal Center | 575mm |
| Head Tube Angle | 63deg |
| Effective Seat Tube Angle, Unknown | 78deg |
| Head Tube Length | 100mm |
| Bottom Bracket Drop | 38mm |
| Bottom Bracket Height | 315mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428.3mm |
| Front-Center | 793.6mm |
| Front-Center Horizontal | 792.7mm |
| Wheelbase | 1221mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 588mm |
| Trail | 130.5mm very high |
| Mechanical Trail | 116.2mm |
| Wheel Flop | 52.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 270.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 145mm |
Coil, Mullet, 170/160 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 705.9mm |
| Bike Length with Tires | 1926.9mm |
| Crank Length | 170mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 170mm |
| Rear Travel | 160mm |
| Suspension Sag | 30% |
| Frame Material | Carbon/Composite |
| Fork Material | Aluminum |
| Brake Type | Disc |
Published Sizing Recommendations
| PBH | 160 in to 174 in |
Source:https://www.arc8bicycles.de/