2026 KUbikes 27.5 Base / MTB
- Category
- Kids Road
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Rim brake
Geometry
S / 38cm | S / 38cm | M / 44cm | M / 44cm | L / 48cm | |
Stack | 580mm | 580mm | 590mm | 590mm | 623mm |
Reach | 378mm | 378mm | 406mm | 406mm | 457mm |
Stack to Reach Ratio | 1.53:1 | 1.53:1 | 1.45:1 | 1.45:1 | 1.36:1 |
Seat Tube Length, Unknown | 380mm | 380mm | 435mm | 435mm | 480mm |
Top Tube Length, Effective/Horizontal HT Top | 555mm | 555mm | 585mm | 585mm | 620mm |
Top Tube Slope | 23.9deg | 23.9deg | 18.1deg | 18.1deg | 15.4deg |
Head Tube Angle | 69deg | 69deg | 69deg | 69deg | 69deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 130mm | 130mm | 130mm | 130mm | 160mm |
Bottom Bracket Drop | 60mm | 60mm | 55mm | 55mm | 50mm |
Bottom Bracket Height | 293mm | 293mm | 298mm | 298mm | 303mm |
Chainstay Length | 440mm | 440mm | 440mm | 440mm | 440mm |
Chainstay Length Horizontal | 435.9mm | 435.9mm | 436.6mm | 436.6mm | 437.2mm |
Front-Center | 621mm | 621mm | 652.8mm | 652.8mm | 690.7mm |
Front-Center Horizontal | 618.1mm | 618.1mm | 650.5mm | 650.5mm | 688.9mm |
Wheelbase | 1054mm | 1054mm | 1087mm | 1087mm | 1126mm |
Fork Offset/Rake | 37.8mm | 37.8mm | 36.5mm | 36.5mm | 11.1mm |
Trail | 95mm very high | 95mm very high | 96.4mm very high | 96.4mm very high | 123.6mm very high |
Mechanical Trail | 88.7mm | 88.7mm | 90mm | 90mm | 115.4mm |
Wheel Flop | 31.8mm | 31.8mm | 32.3mm | 32.3mm | 41.4mm |
Tire to Pedal Spindle | 98.1mm 170 mm cranks | 98.1mm 170 mm cranks | 129.8mm 170 mm cranks | 129.8mm 170 mm cranks | 167.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 123mm 170 mm cranks | 123mm 170 mm cranks | 128mm 170 mm cranks | 128mm 170 mm cranks | 133mm 170 mm cranks |
Base / MTB Build
S / 38cm | S / 38cm | M / 44cm | M / 44cm | L / 48cm | |
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 |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 705.9mm | 705.9mm | 705.9mm | 705.9mm | 705.9mm |
Bike Length with Tires | 1759.9mm | 1759.9mm | 1792.9mm | 1792.9mm | 1831.9mm |
Published Sizing Recommendations
Height | 145 cm to | 145 cm to | 155 cm to | 155 cm to | 165 cm to |
PBH | 65 cm to 80 cm | 65 cm to 80 cm | 69 cm to 85 cm | 69 cm to 85 cm | 72 cm to 90 cm |
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
Kids RoadSource:www.kubikes.de, www.kubikes.de, www.kubikes.de
