2025 Esker Cycles Japhy Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 120mm fork travel, 30% sag
- Features
- Disc brake, Single-speed capable
Geometry
S1/SM | S2/MD | S3/LG | S4/XL | |
Stack | 600mm | 610mm | 625mm | 645mm |
Reach | 420mm | 450mm | 470mm | 500mm |
Stack to Reach Ratio | 1.43:1 | 1.36:1 | 1.33:1 | 1.29:1 |
Seat Tube Length, Unknown | 375mm | 410mm | 440mm | 475mm |
Top Tube Length, Effective/Horizontal HT Top | 570mm | 611mm | 634mm | 660mm |
Top Tube Slope | 24.8deg | 21.1deg | 19deg | 16.7deg |
Head Tube Angle | 66deg | 66deg | 66deg | 66deg |
Seat Tube Angle | 76deg | 76deg | 76deg | 76deg |
Head Tube Length | 95mm | 105mm | 125mm | 145mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 312mm | 312mm | 312mm | 312mm |
Chainstay Length Horizontal | 430mm | 430mm | 430mm | 430mm |
Front-Center | 703mm | 736.9mm | 764.8mm | 803.6mm |
Front-Center Horizontal | 700mm | 734mm | 762mm | 801mm |
Wheelbase | 1130mm | 1164mm | 1192mm | 1231mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm |
Fork Length (On-Axis) | 495mm | 495mm | 495mm | 495mm |
Trail | 119.7mm very high | 119.7mm very high | 119.7mm very high | 119.7mm very high |
Mechanical Trail | 109.4mm | 109.4mm | 109.4mm | 109.4mm |
Wheel Flop | 44.5mm | 44.5mm | 44.5mm | 44.5mm |
Tire to Pedal Spindle | 156mm 170 mm cranks | 189.8mm 170 mm cranks | 217.7mm 170 mm cranks | 256.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks |
Base Build
S1/SM | S2/MD | S3/LG | S4/XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Width Max | 2.8in | 2.8in | 2.8in | 2.8in |
Tire Outer Diameter | 754.1mm | 754.1mm | 754.1mm | 754.1mm |
Bike Length with Tires | 1884.1mm | 1918.1mm | 1946.1mm | 1985.1mm |
Stem Length | 50mm | 50mm | 50mm | 50mm |
Published Sizing Recommendations
Height | 5 ft 3 in to 5 ft 7 in | 5 ft 6 in to 5 ft 10 in | 5 ft 9 in to 6 ft 1 in | 6 ft 0 in to 6 ft 4 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://eskercycles.com/pages/japhy