2025 Weis Hammer Gravel Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
Geometry
49cm | 52cm | 54cm | 56cm | 58cm | 60cm | |
Stack | 531mm | 553mm | 575mm | 597mm | 619mm | 631mm |
Reach | 346mm | 360mm | 374mm | 387mm | 401mm | 418mm |
Stack to Reach Ratio | 1.53:1 | 1.54:1 | 1.54:1 | 1.54:1 | 1.54:1 | 1.51:1 |
Seat Tube Length, C-T | 455mm | 475mm | 495mm | 515mm | 535mm | 545mm |
Top Tube Length, Actual C-C | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm |
Top Tube Slope | 11.2deg | 11.1deg | 11deg | 10.9deg | 10.8deg | 10.7deg |
Head Tube Angle | 70.5deg | 71deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 112mm | 133mm | 156mm | 179mm | 202mm | 215mm |
Bottom Bracket Drop | 72mm | 72mm | 72mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 274mm | 274mm | 274mm | 274mm | 274mm | 274mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 418.9mm | 418.9mm | 418.9mm | 418.9mm | 418.9mm | 418.9mm |
Front-Center | 566.2mm | 583mm | 604.4mm | 624.8mm | 646.3mm | 667.3mm |
Front-Center Horizontal | 561.6mm | 578.5mm | 600.1mm | 620.7mm | 642.2mm | 663.4mm |
Wheelbase | 980.4mm | 997.4mm | 1018.9mm | 1039.5mm | 1061.1mm | 1082.2mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Fork Length (Axle-To-Crown) | 395mm | 395mm | 395mm | 395mm | 395mm | 395mm |
Trail | 69.5mm high | 66.3mm high | 66.3mm high | 66.3mm high | 66.3mm high | 66.3mm high |
Mechanical Trail | 65.5mm | 62.7mm | 62.7mm | 62.7mm | 62.7mm | 62.7mm |
Wheel Flop | 21.9mm | 20.4mm | 20.4mm | 20.4mm | 20.4mm | 20.4mm |
Tire to Pedal Spindle | 50.2mm 170 mm cranks | 67mm 170 mm cranks | 88.4mm 170 mm cranks | 108.8mm 170 mm cranks | 130.3mm 170 mm cranks | 151.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 104mm 170 mm cranks | 104mm 170 mm cranks | 104mm 170 mm cranks | 104mm 170 mm cranks | 104mm 170 mm cranks | 104mm 170 mm cranks |
Base Build
49cm | 52cm | 54cm | 56cm | 58cm | 60cm | |
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 | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Outer Diameter | 692mm | 692mm | 692mm | 692mm | 692mm | 692mm |
Bike Length with Tires | 1672.4mm | 1689.4mm | 1710.9mm | 1731.5mm | 1753.1mm | 1774.2mm |
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
All-road/GravelSource:https://weismfg.com/pages/hammer-gravel-steel