2025 Knightwood Rune Bicycles gravel Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake, Single-speed capable
Geometry
XS | S | Small 52cm | M | L | XL | |
Stack | 526mm | 546.9mm | 542.2mm | 569.7mm | 598.4mm | 627mm |
Reach | 364.2mm | 367.8mm | 374.5mm | 369.9mm | 390.6mm | 391.3mm |
Stack to Reach Ratio | 1.44:1 | 1.49:1 | 1.45:1 | 1.54:1 | 1.53:1 | 1.6:1 |
Seat Tube Length, C-C | 505mm | 520mm | — | 550mm | 580mm | 610mm |
Seat Tube Length, Effective Unknown | — | — | 520mm | — | — | — |
Top Tube Length, Effective/Horizontal Center | 523mm | 540.4mm | — | 559.9mm | 580mm | 600mm |
Top Tube Length, Effective/Horizontal Unknown | — | — | 530mm | — | — | — |
Top Tube Length, Actual C-C | 520mm | 535mm | — | 555mm | 575mm | 595mm |
Top Tube Slope | 1.2deg | 2deg | — | 1.6deg | 1.6deg | 1.6deg |
Head Tube Angle | 71.5deg | 72deg | 72deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 73.5deg | 73deg | 74deg | 72deg | 72deg | 72deg |
Head Tube Length | 115mm | 135mm | 115mm | 155mm | 185mm | 215mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 275mm | 275mm | 229.3mm | 275mm | 275mm | 275mm |
Chainstay Length | 425mm | 425mm | 440mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 420mm | 420mm | 435.2mm | 420mm | 420mm | 420mm |
Front-Center | 580.1mm | 585.8mm | 591mm | 585.3mm | 604.7mm | 624mm |
Front-Center Horizontal | 576.4mm | 582.2mm | 587.4mm | 581.7mm | 601.2mm | 620.6mm |
Wheelbase | 996.4mm | 1002.2mm | 1022.6mm | 1001.7mm | 1021.2mm | 1040.6mm |
Fork Offset/Rake | 55mm | 55mm | 55mm | 55mm | 55mm | 55mm |
Fork Length (Axle-To-Crown) | 380mm | 380mm | — | 380mm | 380mm | 380mm |
Fork Length, Unknown | — | — | 395mm | — | — | — |
Trail | 55.8mm mid/neutral | 52.6mm mid/neutral | 37.8mm low | 46.4mm mid/neutral | 46.4mm mid/neutral | 46.4mm mid/neutral |
Mechanical Trail | 52.9mm | 50.1mm | 35.9mm | 44.4mm | 44.4mm | 44.4mm |
Wheel Flop | 16.8mm | 15.5mm | 11.1mm | 13mm | 13mm | 13mm |
Standover Height | 784.5mm | 801.4mm | 810.1mm | 825.9mm | 854.5mm | 883.1mm |
Tire to Pedal Spindle | 70.1mm 170 mm cranks | 75.8mm 170 mm cranks | 126.7mm 170 mm cranks | 75.3mm 170 mm cranks | 94.7mm 170 mm cranks | 114mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 105mm 170 mm cranks | 105mm 170 mm cranks | 59.3mm 170 mm cranks | 105mm 170 mm cranks | 105mm 170 mm cranks | 105mm 170 mm cranks |
Base Build
XS | S | Small 52cm | M | L | XL | |
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 | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 48mm | 48mm | 2.3mm | 48mm | 48mm | 48mm |
Tire Width Max | 2.1in | 2.1in | — | 2.1in | 2.1in | 2.1in |
Tire Outer Diameter | 680mm | 680mm | 588.6mm | 680mm | 680mm | 680mm |
Bike Length with Tires | 1676.4mm | 1682.2mm | 1611.2mm | 1681.7mm | 1701.2mm | 1720.6mm |
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:www.runebicycles.com, https://www.runebicycles.com/shop/p/rufus-stone-pre-order-black