2020 Tanke TF-291 Carbon 27.5 HT Boost 17

Build

650B/27.5 in × 2.35 in

Insights

Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
620mm
Reach
396mm
Stack to Reach Ratio
1.57:1
Seat Tube Length, C-T
432mm
Top Tube Length, Effective/Horizontal HT Top
580mm
Top Tube Slope
21.6deg
Head Tube Angle
70.5deg
Seat Tube Angle
73.5deg
Head Tube Length
100mm
Bottom Bracket Drop
61mm
Bottom Bracket Height
290.7mm
Chainstay Length
440mm
Chainstay Length Horizontal
435.8mm
Front-Center
646.1mm
Front-Center Horizontal
643.3mm
Wheelbase
1079mm
Fork Offset/Rake
46mm
Trail
75.7mm
high
Mechanical Trail
71.4mm
Wheel Flop
23.8mm
Tire to Pedal Spindle Distance
With 170 mm cranks
124.4mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
120.7mm

Carbon 27.5 HT Boost Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.35in
Tire Outer Diameter
703.4mm
Bike Length with Tires
1782.4mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
Unknown
Suspension Sag
Unknown
Frame Material
Carbon/Composite
Fork Material
Unknown
Brake Type
Disc
Source:https://www.aliexpress.com/item/4001242319796.html?gps-id=pcStoreJustForYou&scm=1007.23125.137358.0&scm_id=1007.23125.137358.0&scm-url=1007.23125.137358.0&pvid=6cb6f36c-144e-4827-a541-73390407fe58&spm=a2g0o.store_home.smartJustForYou_944939710.0