Compare: 2023 OPEN Cycle MIN.D Base S vs 2025 TFSA JH-10 Base 47

Insights

Somewhat upright stack and reach vs trend of endurance road bikes

Design deviates from other sizes of OPEN Cycle MIN.D

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TFSA JH-10

Stack	535mm	518mm -17mm
Reach	361mm	377mm +16mm
Stack to Reach Ratio	1.48:1	1.37:1
Seat Tube Length, C-T	467mm	—
Seat Tube Length, Unknown	—	451mm
Top Tube Length, Effective/Horizontal Unknown	—	530mm
Top Tube Length, Actual C-C	530mm	—
Top Tube Slope	10.1deg	9.6deg -0.5deg
Head Tube Angle	71deg	70.5deg -0.5deg
Seat Tube Angle	72.5deg	73.5deg +1deg
Head Tube Length	135mm	117mm -18mm
Bottom Bracket Drop	73mm	70mm -3mm
Bottom Bracket Height	266mm	269mm +3mm
Chainstay Length	405mm	412mm +7mm
Chainstay Length Horizontal	398.4mm	406mm +7.6mm
Front-Center	578mm	587mm +9mm
Front-Center Horizontal	572.6mm	583mm +10.4mm
Wheelbase	971mm	989mm +18mm
Fork Offset/Rake	50mm	45mm -5mm
Trail	63.9mm mid/neutral	72.3mm +8.4mm high
Mechanical Trail	60.4mm	68.2mm +7.8mm
Wheel Flop	19.7mm	22.8mm +3.1mm
Standover Height	743mm	743mm +0mm
Tire to Pedal Spindle	69mm 170 mm cranks	78mm +9mm 170 mm cranks
Pedal Spindle to Ground Clearance	96mm 170 mm cranks	99mm +3mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	28mm	28mm +0mm
Tire Outer Diameter	678mm	678mm +0mm
Bike Length with Tires	1649mm	1667mm +18mm
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc

Actions	Collection I've Ridden	Collection I've Ridden
Source	https://opencycle.com/mind/Intro	https://ae01.alicdn.com/kf/S306d63ef78b643ec82d37cd30575acbeh.jpg?width=750&height=761&hash=1511
Brand	OPEN Cycle	TFSA
Bike	2023 MIN.D Base	2025 JH-10 Base
Size	S	47
Category	Endurance Road	Performance Road