Compare: 2026 LightCycling RF10 Base 610 (XXL) vs 2027 Specialized Bicycles Tarmac SL9 S-Works 61

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of LightCycling RF10

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Stack	609mm	612mm +3mm
Reach	409mm	408mm -1mm
Stack to Reach Ratio	1.49:1	1.5:1
Seat Tube Length, C-T	545mm	—
Seat Tube Length, C-TTT	—	545mm
Top Tube Length, Effective/Horizontal Center	595mm	595mm +0mm
Top Tube Slope	8.8deg	7.1deg -1.7deg
Head Tube Angle	74deg	74deg +0deg
Seat Tube Angle	73deg	73deg +0deg
Head Tube Length	204mm	204.4mm +0.4mm
Bottom Bracket Drop	72mm	72mm +0mm
Bottom Bracket Height	269mm	271mm +2mm
Chainstay Length	410mm	410mm +0mm
Chainstay Length Horizontal	403.6mm	403.6mm +0mm
Front-Center	616mm	613mm -3mm
Front-Center Horizontal	612.4mm	608.4mm -4mm
Wheelbase	1016mm	1012mm -4mm
Fork Offset/Rake	47mm	44mm -3mm
Fork Length (Axle-To-Crown)	371mm	369mm -2mm
Trail	48.9mm mid/neutral	52.6mm +3.7mm mid/neutral
Mechanical Trail	47mm	50.5mm +3.5mm
Wheel Flop	13mm	13.9mm +0.9mm
Standover Height	—	833mm
Tire to Pedal Spindle	105mm 170 mm cranks	95mm -10mm 175 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	96mm -3mm 175 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	32mm +2mm
Tire Width Max	35mm	—
Tire Outer Diameter	682mm	686mm +4mm
Bike Length with Tires	1698mm	1698mm +0mm
Crank Length	—	175mm
Handlebar Width	—	440mm
Stem Length	—	110mm
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