2026/TRUNNION Fastwork B2 Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Full suspension
- Frame
- Aluminum
- Fork
- Aluminum
- Suspension
- 160mm fork travel, 150mm rear travel, 20% sag
- Features
- Disc brake
Geometry
S | M | L | |
Reach | 425mm | 450mm | 480mm |
Seat Tube Length, Unknown | 400mm | 420mm | 440mm |
Top Tube Length, Effective/Horizontal HT Top | 549mm | 577mm | 604mm |
Head Tube Angle | 64.5deg | 64.5deg | 64.5deg |
Seat Tube Angle | 78.4deg | 78.4deg | 78.4deg |
Head Tube Length | 105mm | 105mm | 105mm |
Bottom Bracket Drop | 15mm | 15mm | 15mm |
Bottom Bracket Height | 298.4mm | 298.4mm | 298.4mm |
Chainstay Length | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 434.7mm | 434.7mm | 434.7mm |
Fork Offset/Rake | 51mm | 51mm | 51mm |
Fork Length, Unknown | 570mm | 570mm | 570mm |
Trail | 93mm very high | 93mm very high | 93mm very high |
Mechanical Trail | 83.9mm | 83.9mm | 83.9mm |
Wheel Flop | 36.1mm | 36.1mm | 36.1mm |
Pedal Spindle to Ground Clearance | 128.4mm 170 mm cranks | 128.4mm 170 mm cranks | 128.4mm 170 mm cranks |
Base Build
S | M | L | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4mm | 2.4mm | 2.4mm |
Tire Width Max | 2.5mm | 2.5mm | 2.5mm |
Tire Outer Diameter | 626.8mm | 626.8mm | 626.8mm |
Crank Length | 170mm | 170mm | 170mm |
Published Sizing Recommendations
Height | 150 cm to 165 cm | 165 cm to 180 cm | 178 cm to 190 cm |
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