2025 Esker Cycles Lorax Steel (44mm Offset)
- Category
- Off-road Touring
- Design
- Drop Bar, Rigid, suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category |
Geometry
S1/SM | S1/SM | S2/MD | S2/MD | S3/LG | S3/LG | S4/XL | S4/XL | |
Stack | 600mm | 600mm | 610mm | 610mm | 645mm | 645mm | 670mm | 670mm |
Reach | 365mm | 365mm | 380mm | 380mm | 390mm | 390mm | 405mm | 405mm |
Stack to Reach Ratio | 1.64:1 | 1.64:1 | 1.61:1 | 1.61:1 | 1.65:1 | 1.65:1 | 1.65:1 | 1.65:1 |
Seat Tube Length, C-T | 400mm | 400mm | 460mm | 460mm | 510mm | 510mm | 560mm | 560mm |
Top Tube Length, Effective/Horizontal HT Top | 537mm | 537mm | 560mm | 560mm | 587mm | 587mm | 610mm | 610mm |
Top Tube Slope | — | 24.4deg | — | 18.3deg | — | 16.3deg | — | 13.3deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | — | 74deg | — | 73.5deg | — | 73deg | — | 73deg |
Effective Seat Tube Angle, ETT HT Top | 74deg | — | 73.5deg | — | 73deg | — | 73deg | — |
Head Tube Length | 90mm | 90mm | 100mm | 100mm | 138mm | 138mm | 165mm | 165mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 302.7mm | 298.9mm | 302.7mm | 298.9mm | 302.7mm | 298.9mm | 302.7mm | 298.9mm |
Chainstay Length | 445mm | — | 445mm | — | 445mm | — | 445mm | — |
Chainstay Length Horizontal | 439.8mm | 445mm | 439.8mm | 445mm | 439.8mm | 445mm | 439.8mm | 445mm |
Front-Center | 638.9mm | 633.7mm | 657.8mm | 652.6mm | 681.6mm | 676.4mm | 706.5mm | 701.3mm |
Front-Center Horizontal | 635.2mm | 630mm | 654.2mm | 649mm | 678.2mm | 673mm | 703.2mm | 698mm |
Wheelbase | 1075mm | 1075mm | 1094mm | 1094mm | 1118mm | 1118mm | 1143mm | 1143mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Fork Length (On-Axis) | — | 495mm | — | 495mm | — | 495mm | — | 495mm |
Fork Length (Axle-To-Crown) | 495mm | — | 495mm | — | 495mm | — | 495mm | — |
Trail | 102.3mm very high | 100.8mm very high | 102.3mm very high | 100.8mm very high | 102.3mm very high | 100.8mm very high | 102.3mm very high | 100.8mm very high |
Mechanical Trail | 94.9mm | 93.4mm | 94.9mm | 93.4mm | 94.9mm | 93.4mm | 94.9mm | 93.4mm |
Wheel Flop | 35.5mm | 35mm | 35.5mm | 35mm | 35.5mm | 35mm | 35.5mm | 35mm |
Tire to Pedal Spindle | 98.2mm 170 mm cranks | 96.8mm 170 mm cranks | 117.1mm 170 mm cranks | 115.7mm 170 mm cranks | 140.9mm 170 mm cranks | 139.6mm 170 mm cranks | 165.8mm 170 mm cranks | 164.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 132.7mm 170 mm cranks | 128.9mm 170 mm cranks | 132.7mm 170 mm cranks | 128.9mm 170 mm cranks | 132.7mm 170 mm cranks | 128.9mm 170 mm cranks | 132.7mm 170 mm cranks | 128.9mm 170 mm cranks |
Steel (44mm Offset) Build
S1/SM | S1/SM | S2/MD | S2/MD | S3/LG | S3/LG | S4/XL | 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 | 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 | 2.35in | 2.2in | 2.35in | 2.2in | 2.35in | 2.2in | 2.35in | 2.2in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 741.4mm | 733.8mm | 741.4mm | 733.8mm | 741.4mm | 733.8mm | 741.4mm | 733.8mm |
Bike Length with Tires | 1816.4mm | 1808.8mm | 1835.4mm | 1827.8mm | 1859.4mm | 1851.8mm | 1884.4mm | 1876.8mm |
Crank Length | — | 170mm | — | 170mm | — | 170mm | — | 170mm |
Handlebar Width | — | 480mm | — | 480mm | — | 520mm | — | 520mm |
Stem Length | — | 60mm | — | 60mm | — | 70mm | — | 70mm |
Published Sizing Recommendations
Height | — | 5 ft 0 in to 5 ft 6 in | — | 5 ft 3 in to 5 ft 9 in | — | 5 ft 6 in to 6 ft 0 in | — | 5 ft 9 in to 6 ft 3 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
Off-road TouringSource:https://eskercycles.com/products/2024-lorax-frameset, https://eskercycles.com/products/2025-lorax-complete-bike?variant=45253676597501