2025 TSB Leshij (Леший) Base

	50	54	54	54	56	56	56
Stack	567mm	601mm	601mm	601mm	626.5mm	626.5mm	626.5mm
Reach	370mm	390mm	390mm	390mm	406mm	406mm	406mm
Stack to Reach Ratio	1.53:1	1.54:1	1.54:1	1.54:1	1.54:1	1.54:1	1.54:1
Seat Tube Length, C-T	435mm	512mm	512mm	512mm	552mm	552mm	552mm
Seat Tube Length, C-C	415mm	466mm	466mm	466mm	509.4mm	509.4mm	509.4mm
Top Tube Length, Effective/Horizontal HT Top	—	557mm	569mm	569mm	592.2mm	592.2mm	592.2mm
Top Tube Length, Actual C-C	478.8mm	570.6mm	570.6mm	570.6mm	570.6mm	570.6mm	570.6mm
Top Tube Slope	16.9deg	11.6deg	11.6deg	11.6deg	9.8deg	9.8deg	9.8deg
Head Tube Angle	71deg	71.5deg	71.5deg	71.5deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	140mm	140mm	140mm	160mm	160mm	160mm
Bottom Bracket Drop	60mm	75mm	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	295mm	280mm	280mm	280mm	280mm	280mm	280mm
Chainstay Length	425mm	435mm	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	420.7mm	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	597mm	624mm	624mm	624mm	632.3mm	632.3mm	632.3mm
Front-Center Horizontal	597.7mm	624.1mm	624.1mm	624.1mm	632.3mm	632.3mm	632.3mm
Wheelbase	1018.4mm	1052.6mm	1052.6mm	1052.6mm	1060.8mm	1060.8mm	1060.8mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length, Unknown	432.9mm	433mm	433mm	433mm	433mm	433mm	433mm
Trail	69.4mm high	66.1mm high	66.1mm high	66.1mm high	59.5mm mid/neutral	59.5mm mid/neutral	59.5mm mid/neutral
Mechanical Trail	65.6mm	62.6mm	62.6mm	62.6mm	56.8mm	56.8mm	56.8mm
Wheel Flop	21.4mm	19.9mm	19.9mm	19.9mm	17.1mm	17.1mm	17.1mm
Standover Height	—	803mm	803mm	803mm	835.1mm	835.1mm	835.1mm
Tire to Pedal Spindle	72mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	99mm 170 mm cranks	107.3mm 170 mm cranks	107.3mm 170 mm cranks	107.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	125mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks	110mm 170 mm cranks

	50	54	54	54	56	56	56
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
Tire Width	44mm	44mm	44mm	44mm	44mm	44mm	44mm
Tire Width Max	—	50mm	50mm	50mm	50mm	50mm	50mm
Tire Outer Diameter	710mm	710mm	710mm	710mm	710mm	710mm	710mm
Bike Length with Tires	1728.4mm	1762.6mm	1762.6mm	1762.6mm	1770.8mm	1770.8mm	1770.8mm

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 Scale

Category Trend

All-road/Gravel

Source:https://vk.com/market/product/rama-tsb-leshiy-s-m-l-54826465-11674354?z=photo-54826465_457274574%2Fmarket-54826465_11674354, https://vk.ru/market/product/rama-tsb-leshiy-s-m-l-54826465-11674354, https://vk.com/market/product/rama-tsb-leshiy-s-m-l-54826465-11674354?z=photo-54826465_457274572%2Fmarket-54826465_11674354, https://t.me/tsb_tg/2354

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2025 TSB Leshij (Леший) Base

Geometry

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Stack and Reach vs. Category Trend