2019 Euro-Asia Imports (EAI) Bare Knuckle Base
- Category
- Track/Fixed-gear
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake, Single-speed capable
Average stack and reachvs category | Average stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category |
Geometry
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
Stack | 496.4mm | 515.6mm | 533.7mm | 552.9mm | 570.8mm | 589.9mm | 607.6mm | 626.7mm |
Reach | 382.7mm | 387.3mm | 387.6mm | 392.1mm | 396.9mm | 401.2mm | 400.5mm | 404.7mm |
Stack to Reach Ratio | 1.3:1 | 1.33:1 | 1.38:1 | 1.41:1 | 1.44:1 | 1.47:1 | 1.52:1 | 1.55:1 |
Seat Tube Length, C-C | 480mm | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm | 620mm |
Top Tube Length, Effective/Horizontal Center | 520mm | 530mm | 540mm | 550mm | 565mm | 575mm | 585mm | 595mm |
Top Tube Length, Actual C-C | 520mm | 530mm | 540mm | 550mm | 565mm | 575mm | 585mm | 595mm |
Top Tube Slope | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg | 0deg |
Head Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74deg | 74deg | 73.5deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 92mm | 111mm | 130mm | 150mm | 167mm | 188mm | 208mm | 228mm |
Bottom Bracket Drop | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Bottom Bracket Height | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm | 289mm |
Front-Center | 543mm | 552.7mm | 557.8mm | 567.5mm | 577mm | 586.4mm | 590.5mm | 599.7mm |
Front-Center Horizontal | 541.1mm | 550.9mm | 556mm | 565.7mm | 575.2mm | 584.7mm | 588.7mm | 598mm |
Fork Offset/Rake | 36.2mm | 36.2mm | 36.2mm | 36.2mm | 36.2mm | 36.2mm | 36.2mm | 36.2mm |
Trail | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral | 52mm mid/​neutral |
Mechanical Trail | 50.3mm | 50.3mm | 50.3mm | 50.3mm | 50.3mm | 50.3mm | 50.3mm | 50.3mm |
Wheel Flop | 13mm | 13mm | 13mm | 13mm | 13mm | 13mm | 13mm | 13mm |
Standover Height | 762mm | 778mm | 800mm | 819mm | 838mm | 860mm | 876mm | 895mm |
Tire to Pedal Spindle | 39mm 170 mm cranks | 48.7mm 170 mm cranks | 53.8mm 170 mm cranks | 63.5mm 170 mm cranks | 73mm 170 mm cranks | 82.4mm 170 mm cranks | 86.5mm 170 mm cranks | 95.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks |
Base Build
48 | 50 | 52 | 54 | 56 | 58 | 60 | 62 | |
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 | 23mm | 23mm | 23mm | 23mm | 23mm | 23mm | 23mm | 23mm |
Tire Outer Diameter | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm | 668mm |
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
Track/Fixed-gearSource:https://www.retro-gression.com/products/eai-bare-knuckle-frameset?variant=5117867201