2016 Brother Cycles R725 Frameset
- Category
- Track/Fixed-gear
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake, Single-speed capable
Geometry
52cm | 54cm | 56cm | 58cm | 60cm | |
Stack | 522.6mm | 540.8mm | 560.2mm | 578.3mm | 597.5mm |
Reach | 394.2mm | 394.8mm | 399.9mm | 405mm | 409.6mm |
Stack to Reach Ratio | 1.33:1 | 1.37:1 | 1.4:1 | 1.43:1 | 1.46:1 |
Seat Tube Length, C-C | 505mm | 525mm | 545mm | 565mm | 585mm |
Top Tube Length, Effective/Horizontal Center | 530mm | 540mm | 550mm | 565mm | 575mm |
Top Tube Length, Actual C-C | 530mm | 540mm | 550mm | 565mm | 575mm |
Top Tube Slope | 0deg | 0deg | 0deg | 0deg | 0deg |
Head Tube Angle | 74.5deg | 74.5deg | 75deg | 75deg | 75deg |
Seat Tube Angle | 75.5deg | 75deg | 75deg | 74.5deg | 74.5deg |
Head Tube Length | 117mm | 136mm | 154mm | 173mm | 193mm |
Bottom Bracket Drop | 55mm | 55mm | 55mm | 55mm | 55mm |
Bottom Bracket Height | 281mm | 281mm | 281mm | 281mm | 281mm |
Chainstay Length | 385mm | 387mm | 387mm | 388mm | 388mm |
Chainstay Length Horizontal | 381.1mm | 383.1mm | 383.1mm | 384.1mm | 384.1mm |
Front-Center | 559.8mm | 565.4mm | 571.1mm | 580.9mm | 590.7mm |
Front-Center Horizontal | 557.1mm | 562.7mm | 568.4mm | 578.3mm | 588.1mm |
Wheelbase | 938.2mm | 945.8mm | 951.5mm | 962.4mm | 972.2mm |
Fork Offset/Rake | 32mm | 32mm | 32mm | 32mm | 32mm |
Fork Length (Axle-To-Crown) | 359mm | 359mm | 359mm | 359mm | 359mm |
Trail | 60mm mid/neutral | 60mm mid/neutral | 56.9mm mid/neutral | 56.9mm mid/neutral | 56.9mm mid/neutral |
Mechanical Trail | 57.8mm | 57.8mm | 55mm | 55mm | 55mm |
Wheel Flop | 15.4mm | 15.4mm | 14.2mm | 14.2mm | 14.2mm |
Tire to Pedal Spindle | 53.8mm 170 mm cranks | 59.4mm 170 mm cranks | 65.1mm 170 mm cranks | 74.9mm 170 mm cranks | 84.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks | 111mm 170 mm cranks |
Frameset 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 | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Width Max | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1610.2mm | 1617.8mm | 1623.5mm | 1634.4mm | 1644.2mm |
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
Track/Fixed-gearSource:https://www.brothercycles.com/shop/frames/r725/