2024 Ron's Bikes Alumalith Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Rim brake
Geometry
16" | 18" | 20" | 22" | |
Stack | 531mm | 543mm | 561mm | 580mm |
Reach | 392mm | 408mm | 417mm | 426mm |
Stack to Reach Ratio | 1.35:1 | 1.33:1 | 1.35:1 | 1.36:1 |
Seat Tube Length, Unknown | 432mm | 482mm | 533mm | 585mm |
Top Tube Length, Effective/Horizontal Unknown | 566mm | 586mm | 601mm | 617mm |
Top Tube Slope | 12.9deg | 8.6deg | 5.3deg | 2.2deg |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 72deg | 72deg | 72deg | 72deg |
Head Tube Length | 96.5mm | 109.3mm | 128.6mm | 148.9mm |
Bottom Bracket Drop | 49.5mm | 49.5mm | 49.5mm | 49.5mm |
Bottom Bracket Height | 303.5mm | 303.5mm | 303.5mm | 303.5mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 442.2mm | 442.2mm | 442.2mm | 442.2mm |
Front-Center | 626.7mm | 645.7mm | 663.6mm | 679.6mm |
Front-Center Horizontal | 624.8mm | 643.8mm | 661.8mm | 677.8mm |
Wheelbase | 1067mm | 1086mm | 1104mm | 1120mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm |
Fork Length, Unknown | 419mm | 419mm | 419mm | 419mm |
Trail | 87.3mm very high | 87.3mm very high | 87.3mm very high | 87.3mm very high |
Mechanical Trail | 81.5mm | 81.5mm | 81.5mm | 81.5mm |
Wheel Flop | 29.2mm | 29.2mm | 29.2mm | 29.2mm |
Tire to Pedal Spindle | 103.8mm 170 mm cranks | 122.7mm 170 mm cranks | 140.7mm 170 mm cranks | 156.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 133.5mm 170 mm cranks | 133.5mm 170 mm cranks | 133.5mm 170 mm cranks | 133.5mm 170 mm cranks |
Base Build
16" | 18" | 20" | 22" | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 705.9mm | 705.9mm | 705.9mm | 705.9mm |
Bike Length with Tires | 1772.9mm | 1791.9mm | 1809.9mm | 1825.9mm |
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
Rigid MTBSource:https://ronsbikes.com/products/a-l-u-m-a-l-i-t-h-frameset