2021 Mason Cycles InSearchOf 27.5 x 2.8" 54CM
Off-road Touring
Unlisted
Build
650B/27.5 in × 2.8 in
Insights
Somewhat upright stack and reach vs trend of off-road touring bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 637.7mm |
| Reach | 382mm |
| Stack to Reach Ratio | 1.67:1 |
| Seat Tube Length, C-T | 540mm |
| Seat Tube Length, C-C | 490mm |
| Top Tube Length, Effective/Horizontal Center | 566.6mm |
| Top Tube Length, Actual C-C | 544.7mm |
| Top Tube Slope | 15.2deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 288.1mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 438.6mm |
| Front-Center | 644mm |
| Front-Center Horizontal | 640mm |
| Wheelbase | 1078.6mm |
| Fork Offset/Rake | 50mm |
| Fork Length (On-Axis) | 483mm |
| Trail | 79mm high |
| Mechanical Trail | 74.2mm |
| Wheel Flop | 25.4mm |
| Standover Height | 825mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 110.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 118.1mm |
27.5 x 2.8" Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2.8in |
| Tire Outer Diameter | 726.2mm |
| Bike Length with Tires | 1804.8mm |
| Crank Length | 170mm |
| Handlebar Width | 460mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 180 cm to 190 cm |
Source:https://masoncycles.cc/ckeditor_assets/attachments/73/insearchof_geom_2018.pdf