2023 Radical Bicycle Co. Grim Ripper 27.5 Tukt
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 130mm fork travel, 0% sag
- Features
- Disc brake, Single-speed capable
Geometry
Regular | Long | |
Stack | 610mm | 628mm |
Reach | 455mm | 495mm |
Stack to Reach Ratio | 1.34:1 | 1.27:1 |
Seat Tube Length, C-T | 400mm | 430mm |
Top Tube Length, Effective/Horizontal HT Top | 601mm | 646mm |
Top Tube Slope | 22deg | 19.5deg |
Head Tube Angle | 63.5deg | 63.5deg |
Seat Tube Angle | 77deg | 77deg |
Head Tube Length | 110mm | 130mm |
Bottom Bracket Drop | 55mm | 55mm |
Bottom Bracket Height | 298mm | 298mm |
Chainstay Length | 420mm | 420mm |
Chainstay Length Horizontal | 416.4mm | 416.4mm |
Front-Center | 782.8mm | 831.7mm |
Front-Center Horizontal | 780.9mm | 829.9mm |
Wheelbase | 1197.3mm | 1246.2mm |
Fork Offset/Rake | 44mm | 44mm |
Fork Length, Unknown | 522mm | 522mm |
Trail | 126.8mm very high | 126.8mm very high |
Mechanical Trail | 113.5mm | 113.5mm |
Wheel Flop | 50.6mm | 50.6mm |
Tire to Pedal Spindle | 259.9mm 170 mm cranks | 308.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 128mm 170 mm cranks | 128mm 170 mm cranks |
27.5 Tukt Build
Regular | Long | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.4in | 2.4in |
Tire Width Max | 2.5in | 2.5in |
Tire Outer Diameter | 705.9mm | 705.9mm |
Bike Length with Tires | 1903.2mm | 1952.2mm |
Published Sizing Recommendations
Height | 5 ft 5.5 in to 5 ft 11.5 in | 5 ft 11.5 in to 6 ft 5 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
Hardtail Trail MTBSource:https://radicalbicycleco.com/products/grim-ripper