2018 Brother Cycles Kepler Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
52cm | 54cm | 56cm | 58cm | 60cm | |
Stack | 533mm | 543mm | 562mm | 580mm | 598mm |
Reach | 382mm | 384mm | 388mm | 392mm | 396mm |
Stack to Reach Ratio | 1.4:1 | 1.41:1 | 1.45:1 | 1.48:1 | 1.51:1 |
Seat Tube Length, C-C | 505mm | 525mm | 545mm | 565mm | 585mm |
Top Tube Length, Actual C-C | 535mm | 545mm | 560mm | 575mm | 590mm |
Head Tube Angle | 71.5deg | 71.5deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 73.5deg | 73deg | 72.5deg | 72deg |
Head Tube Length | 95mm | 105mm | 124mm | 142mm | 160mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 276mm | 276mm | 276mm | 276mm | 276mm |
Chainstay Length | 430mm | 430mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 424.3mm | 424.3mm | 429.3mm | 429.3mm | 429.3mm |
Front-Center | 588.9mm | 593.9mm | 599.8mm | 609.7mm | 618.6mm |
Front-Center Horizontal | 584.7mm | 589.7mm | 595.7mm | 605.7mm | 614.7mm |
Wheelbase | 1009mm | 1014mm | 1025mm | 1035mm | 1044mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (Axle-To-Crown) | 400mm | 400mm | 400mm | 400mm | 400mm |
Trail | 68.3mm high | 68.3mm high | 65.1mm high | 65.1mm high | 65.1mm high |
Mechanical Trail | 64.8mm | 64.8mm | 61.9mm | 61.9mm | 61.9mm |
Wheel Flop | 20.6mm | 20.6mm | 19.1mm | 19.1mm | 19.1mm |
Tire to Pedal Spindle | 72.9mm 170 mm cranks | 75.4mm 172.5 mm cranks | 81.3mm 172.5 mm cranks | 88.7mm 175 mm cranks | 97.6mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 106mm 170 mm cranks | 103.5mm 172.5 mm cranks | 103.5mm 172.5 mm cranks | 101mm 175 mm cranks | 101mm 175 mm cranks |
Base Build
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 |
Tire Width | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Width Max | 42mm | 42mm | 42mm | 42mm | 42mm |
Tire Outer Diameter | 692mm | 692mm | 692mm | 692mm | 692mm |
Bike Length with Tires | 1701mm | 1706mm | 1717mm | 1727mm | 1736mm |
Crank Length | 170mm | 172.5mm | 172.5mm | 175mm | 175mm |
Handlebar Width | 420mm | 420mm | 440mm | 440mm | 440mm |
Stem Length | 100mm | 100mm | 110mm | 110mm | 120mm |
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://www.brothercycles.com/shop/bikes/kepler-disc-complete/