2018 B'TWIN Ultra 500 AFGF
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Somewhat aggressive stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category |
Geometry
Extra Small | Extra Small | Small | Small | Medium | Medium | Large | Large | Extra Large | Extra Large | |
Stack | 523mm | 523mm | 539mm | 539mm | 560mm | 560mm | 586mm | 586mm | 610mm | 610mm |
Reach | 375mm | 375mm | 380mm | 380mm | 389mm | 389mm | 391mm | 391mm | 394mm | 394mm |
Stack to Reach Ratio | 1.39:1 | 1.39:1 | 1.42:1 | 1.42:1 | 1.44:1 | 1.44:1 | 1.5:1 | 1.5:1 | 1.55:1 | 1.55:1 |
Seat Tube Length, C-T | — | 450mm | — | 480mm | — | 500mm | — | 520mm | — | 530mm |
Seat Tube Length, Effective HT Top | 450mm | — | 480mm | — | 500mm | — | 520mm | — | 530mm | — |
Top Tube Length, Effective/Horizontal Center | — | 525mm | — | 540mm | — | 555mm | — | 570mm | — | 580mm |
Top Tube Length, Effective/Horizontal HT Top | 525mm | — | 540mm | — | 555mm | — | 570mm | — | 580mm | — |
Top Tube Slope | — | 10.3deg | — | 8.7deg | — | 8.6deg | — | 9.2deg | — | 10.5deg |
Head Tube Angle | 71.5deg | 71.5deg | 72deg | 72deg | 72.5deg | 72.5deg | 73deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 74deg | 74deg | 73.5deg | 73.5deg | 73.5deg | 73.5deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 115mm | 115mm | 130mm | 130mm | 150mm | 150mm | 175mm | 175mm | 200mm | 200mm |
Bottom Bracket Height | — | — | — | — | — | — | — | — | — | — |
Chainstay Length | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm |
Wheelbase | 983mm | 983mm | 989mm | 989mm | 1000mm | 1000mm | 1005mm | 1005mm | 1015mm | 1015mm |
Trail | — — | — — | — — | — — | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — | — | — | — | — |
500 AFGF Build
Extra Small | Extra Small | Small | Small | Medium | Medium | Large | Large | Extra Large | Extra Large | |
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 | 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 | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Width Max | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1655mm | 1655mm | 1661mm | 1661mm | 1672mm | 1672mm | 1677mm | 1677mm | 1687mm | 1687mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 172.5mm | 172.5mm | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 400mm | 400mm | 400mm | 400mm | 400mm | 400mm | 420mm | 420mm | 440mm | 440mm |
Stem Length | 80mm | 80mm | 90mm | 90mm | 100mm | 100mm | 110mm | 110mm | — | — |
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://geometrygeeks.bike/bike/b-twin-ultra-500-afgf-2018/