2025 TFSA JH-35 Base

	49	52	54	56	58
Stack	507mm	527mm	546mm	567mm	593mm
Reach	366mm	380mm	384mm	395mm	402mm
Stack to Reach Ratio	1.39:1	1.39:1	1.42:1	1.44:1	1.48:1
Seat Tube Length, C-T	446mm	456mm	473mm	494mm	515mm
Top Tube Length, Effective/Horizontal Center	498mm	531mm	541mm	563mm	577mm
Top Tube Slope	9deg	9.9deg	10.1deg	9.9deg	10.3deg
Head Tube Angle	71deg	72.5deg	73deg	73.5deg	73.5deg
Seat Tube Angle	75.5deg	74deg	74deg	73.5deg	73.5deg
Head Tube Length	111.6mm	120mm	137mm	157mm	184mm
Bottom Bracket Drop	74mm	74mm	74mm	74mm	74mm
Bottom Bracket Height	265mm	265mm	265mm	265mm	265mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.3mm	403.3mm	403.3mm	403.3mm	403.3mm
Front-Center	576.5mm	578.5mm	585.4mm	598.3mm	612.2mm
Front-Center Horizontal	576mm	579mm	585mm	598mm	612mm
Wheelbase	975mm	977mm	984mm	997mm	1011mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	63.9mm mid/neutral	54.5mm mid/neutral	51.4mm mid/neutral	48.3mm mid/neutral	48.3mm mid/neutral
Mechanical Trail	60.4mm	51.9mm	49.1mm	46.3mm	46.3mm
Wheel Flop	19.7mm	15.6mm	14.4mm	13.1mm	13.1mm
Standover Height	714mm	729mm	746mm	766mm	788mm
Tire to Pedal Spindle	67.5mm 170 mm cranks	69.5mm 170 mm cranks	76.4mm 170 mm cranks	89.3mm 170 mm cranks	103.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	95mm 170 mm cranks	95mm 170 mm cranks	95mm 170 mm cranks	95mm 170 mm cranks

	49	52	54	56	58
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
Tire Width	28mm	28mm	28mm	28mm	28mm
Tire Width Max	30mm	30mm	30mm	30mm	30mm
Tire Outer Diameter	678mm	678mm	678mm	678mm	678mm
Bike Length with Tires	1653mm	1655mm	1662mm	1675mm	1689mm
Crank Length	170mm	170mm	170mm	170mm	170mm
Handlebar Width	360mm	380mm	400mm	400mm	420mm

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

Performance Road

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2025 TFSA JH-35 Base

Geometry

Base Build

Stack and Reach vs. Category Trend