1991 Merlin Metalworks Mountain Base 21
Build
26 in × 2.1 in
Insights
Very aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Merlin Metalworks Mountain
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 547mm |
| Reach | 453.8mm |
| Stack to Reach Ratio | 1.21:1 |
| Seat Tube Length, C-C | 533.4mm |
| Top Tube Length, Effective/Horizontal Center | 643.4mm |
| Top Tube Length, Actual C-C | 622.3mm |
| Top Tube Slope | 7.5deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 72deg |
| Head Tube Length | 152.4mm |
| Bottom Bracket Drop | 30.6mm |
| Bottom Bracket Height | 302.3mm |
| Chainstay Length | 425.5mm |
| Chainstay Length Horizontal | 424.4mm |
| Front-Center | 668.6mm |
| Front-Center Horizontal | 667.9mm |
| Wheelbase | 1092.2mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 387.3mm |
| Trail | 61.9mm mid/neutral |
| Mechanical Trail | 58.9mm |
| Wheel Flop | 18.2mm |
| Standover Height | 828.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 165.7mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 132.3mm |
Base Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 2.1in |
| Tire Outer Diameter | 665.7mm |
| Bike Length with Tires | 1757.9mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Titanium |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://merlintitanium.com/images/merlin/misc/merlin_1991_catalog_specs.pdf