2026 CrMo Slug Bicycles Earthling Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | M/L | L | XL | |
Stack | 536mm | 551mm | 573mm | 600mm | 630mm | 662mm |
Reach | 369mm | 382mm | 395mm | 408mm | 421mm | 434mm |
Stack to Reach Ratio | 1.45:1 | 1.44:1 | 1.45:1 | 1.47:1 | 1.5:1 | 1.53:1 |
Seat Tube Length, C-T | 450mm | 470mm | 490mm | 515mm | 545mm | 590mm |
Top Tube Length, Effective/Horizontal Center | 525mm | 542mm | 561mm | 582mm | 604mm | 626mm |
Top Tube Slope | 11.9deg | 11deg | 10.9deg | 10.8deg | 10.5deg | 9deg |
Head Tube Angle | 69.5deg | 70deg | 70.5deg | 70.5deg | 70.5deg | 70.5deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 90mm | 105mm | 125mm | 155mm | 186mm | 220mm |
Bottom Bracket Drop | 74mm | 74mm | 74mm | 74mm | 74mm | 74mm |
Bottom Bracket Height | 292mm | 292mm | 292mm | 292mm | 292mm | 292mm |
Chainstay Length | 435mm | 435mm | 435mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 428.7mm | 428.7mm | 428.7mm | 428.7mm | 428.7mm | 428.7mm |
Front-Center | 605.9mm | 619.8mm | 635.7mm | 657.5mm | 681.4mm | 705.2mm |
Front-Center Horizontal | 601.3mm | 615.3mm | 631.3mm | 653.3mm | 677.3mm | 701.3mm |
Wheelbase | 1030mm | 1044mm | 1060mm | 1082mm | 1106mm | 1130mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Fork Length (Axle-To-Crown) | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm |
Trail | 78.1mm high | 74.7mm high | 71.3mm high | 71.3mm high | 71.3mm high | 71.3mm high |
Mechanical Trail | 73.2mm | 70.2mm | 67.2mm | 67.2mm | 67.2mm | 67.2mm |
Wheel Flop | 25.6mm | 24mm | 22.4mm | 22.4mm | 22.4mm | 22.4mm |
Standover Height | 695mm | 714mm | 735mm | 760mm | 797mm | 829mm |
Tire to Pedal Spindle | 69.9mm 170 mm cranks | 83.8mm 170 mm cranks | 99.7mm 170 mm cranks | 121.5mm 170 mm cranks | 145.4mm 170 mm cranks | 169.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 122mm 170 mm cranks | 122mm 170 mm cranks | 122mm 170 mm cranks | 122mm 170 mm cranks | 122mm 170 mm cranks | 122mm 170 mm cranks |
Base Build
XS | S | M | M/L | L | 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 |
Tire Width | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Tire Width Max | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Tire Outer Diameter | 732mm | 732mm | 732mm | 732mm | 732mm | 732mm |
Bike Length with Tires | 1762mm | 1776mm | 1792mm | 1814mm | 1838mm | 1862mm |
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
Progressive GravelSource:slugbicycles.com
