2024 TWITTER Bikes R12 pro Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
46 | 48 | 50 | 54 XL | 52 | 54 | |
Stack | 512mm | 518mm | 530mm | 584mm | 541mm | 556mm |
Reach | 371mm | 389mm | 400mm | 389mm | 412mm | 423mm |
Stack to Reach Ratio | 1.38:1 | 1.33:1 | 1.33:1 | 1.5:1 | 1.31:1 | 1.31:1 |
Seat Tube Length, C-T | 460mm | 480mm | 500mm | 540mm | 520mm | 540mm |
Top Tube Length, Effective/Horizontal Center | — | — | — | 565mm | — | — |
Top Tube Length, Actual C-C | 515mm | 535mm | 550mm | — | 565mm | 580mm |
Top Tube Slope | 8deg | 6.2deg | 5.2deg | 7.1deg | 4.2deg | 3.6deg |
Head Tube Angle | 72deg | 72.5deg | 73deg | 73.5deg | 73.5deg | 73.5deg |
Seat Tube Angle | 74.25deg | 74.25deg | 74.25deg | 73deg | 74.25deg | 74.25deg |
Head Tube Length | 109mm | 114mm | 125mm | 175mm | 135mm | 150mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 72mm | 68mm | 68mm |
Bottom Bracket Height | 268mm | 268mm | 268mm | 264mm | 268mm | 268mm |
Chainstay Length | 408mm | 408mm | 408mm | 410mm | 408mm | 408mm |
Chainstay Length Horizontal | 402.3mm | 402.3mm | 402.3mm | 403.6mm | 402.3mm | 402.3mm |
Front-Center | 566mm | 582mm | 593mm | 602mm | 603mm | 618mm |
Front-Center Horizontal | 562.7mm | 578.7mm | 588.7mm | 608.4mm | 598.7mm | 614.7mm |
Wheelbase | 965mm | 981mm | 991mm | 1012mm | 1001mm | 1017mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 55mm | 45mm | 45mm |
Fork Length, Unknown | 362mm | 362mm | 362mm | — | 362mm | 362mm |
Trail | 61.9mm mid/neutral | 58.8mm mid/neutral | 55.7mm mid/neutral | 42.2mm low | 52.6mm mid/neutral | 52.6mm mid/neutral |
Mechanical Trail | 58.8mm | 56mm | 53.2mm | 40.4mm | 50.4mm | 50.4mm |
Wheel Flop | 18.2mm | 16.9mm | 15.6mm | 11.5mm | 14.3mm | 14.3mm |
Tire to Pedal Spindle | 60mm 170 mm cranks | 76mm 170 mm cranks | 87mm 170 mm cranks | 96mm 170 mm cranks | 97mm 170 mm cranks | 112mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 94mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
46 | 48 | 50 | 54 XL | 52 | 54 | |
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 |
Tire Width | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Width Max | — | — | — | 28mm | — | — |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1637mm | 1653mm | 1663mm | 1684mm | 1673mm | 1689mm |
Crank Length | — | — | — | 170mm | — | — |
Handlebar Width | — | — | — | 400mm | — | — |
Stem Length | — | — | — | 90mm | — | — |
Published Sizing Recommendations
Height | 160 cm to 168 cm | 168 cm to 175 cm | 175 cm to 180 cm | 185 cm to 190 cm | 180 cm to 185 cm | 185 cm to 190 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
Performance RoadSource:https://www.ozon.ru/product/velosiped-shosseynyy-r12pro-disc-wheeltop-eds-2-13s-1365187934, https://twitterbikeusa.com/collections/road-bikes/products/r12-pro-wheeltop-24-speed-carbon-road-bike?_pos=1&_fid=746a45725&_ss=c