2018 B'TWIN Ultra 520 AF GF ROAD BIKE - RIVAL DISC
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 523mm | 539mm | 560mm | 586mm | 610mm |
Reach | 375mm | 380mm | 389mm | 391mm | 394mm |
Stack to Reach Ratio | 1.39:1 | 1.42:1 | 1.44:1 | 1.5:1 | 1.55:1 |
Seat Tube Length, Unknown | 450mm | 480mm | 500mm | 520mm | 530mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | 540mm | 555mm | 570mm | 580mm |
Top Tube Slope | 10.3deg | 8.7deg | 8.6deg | 9.3deg | 10.6deg |
Head Tube Angle | 71.5deg | 72deg | 72.5deg | 73deg | 73deg |
Seat Tube Angle | 74deg | 73.5deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 115mm | 130mm | 150mm | 175mm | 200mm |
Bottom Bracket Height | — | — | — | — | — |
Chainstay Length | 415mm | 415mm | 415mm | 415mm | 415mm |
Wheelbase | 983mm | 989mm | 1000mm | 1005mm | 1015mm |
Fork Offset/Rake | 40mm | 40mm | 40mm | 40mm | 40mm |
Trail | 70.2mm high | 67.1mm high | 64mm mid/neutral | 60.9mm mid/neutral | 60.9mm mid/neutral |
Mechanical Trail | 66.6mm | 63.8mm | 61mm | 58.2mm | 58.2mm |
Wheel Flop | 21.1mm | 19.7mm | 18.4mm | 17mm | 17mm |
520 AF GF ROAD BIKE - RIVAL DISC Build
XS | S | M | L | XL | |
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 Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1655mm | 1661mm | 1672mm | 1677mm | 1687mm |
Crank Length | 170mm | 170mm | 172.5mm | 175mm | 175mm |
Handlebar Width | 400mm | 400mm | 420mm | 420mm | 440mm |
Stem Length | 80mm | 90mm | 100mm | 110mm | 120mm |
Stem Angle | 7deg | 7deg | 7deg | 7deg | 7deg |
Published Sizing Recommendations
Height | 155 cm to 166 cm | 166 cm to 173 cm | 173 cm to 182 cm | 182 cm to 186 cm | 186 cm to 200 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
Endurance RoadSource:https://www.decathlon.co.uk/ultra-520-af-gf-road-bike-rival-disc-id_8390785.html, Fork specs: https://www.bikeradar.com/reviews/bikes/road-bikes/btwin-ultra-520-af-gf-rival-disc-review/