Compare: 2024 LOOK Cycle 765 Optimum Disc XS vs 2022 TanTan Cycling (Seraph) GR047 Base S

Insights

Somewhat upright stack and reach vs trend of endurance road bikes

Average stack and reach vs trend of all-road/gravel bikes

Design deviates from other sizes of TanTan Cycling (Seraph) GR047

Stack	534mm	556mm +22mm
Reach	359mm	372mm +13mm
Stack to Reach Ratio	1.49:1	1.49:1
Seat Tube Length, C-T	—	430mm
Seat Tube Length, Effective Unknown	470mm	—
Top Tube Length, Effective/Horizontal HT Top	511.8mm	528mm +16.2mm
Top Tube Slope	—	16.2deg
Head Tube Angle	70.8deg	70.5deg -0.3deg
Seat Tube Angle	74deg	74.3deg +0.3deg
Head Tube Length	117mm	125mm +8mm
Bottom Bracket Drop	76mm	76mm +0mm
Bottom Bracket Height	265mm	280mm +15mm
Chainstay Length	415mm	430mm +15mm
Chainstay Length Horizontal	408mm	423.2mm +15.2mm
Front-Center	576mm	600mm +24mm
Front-Center Horizontal	571mm	595.2mm +24.2mm
Wheelbase	979mm	1018.4mm +39.4mm
Fork Offset/Rake	50mm	50mm +0mm
Fork Length (On-Axis)	385.5mm	—
Trail	65.8mm high	73mm +7.2mm high
Mechanical Trail	62.1mm	68.8mm +6.7mm
Wheel Flop	20.4mm	23mm +2.6mm
Standover Height	742mm	—
Tire to Pedal Spindle	65mm 170 mm cranks	74mm +9mm 170 mm cranks
Pedal Spindle to Ground Clearance	95mm 170 mm cranks	110mm +15mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	30mm	45mm +15mm
Tire Width Max	34mm	47mm +13mm
Tire Outer Diameter	682mm	712mm +30mm
Bike Length with Tires	1661mm	1730.4mm +69.4mm
Crank Length	—	170mm
Handlebar Width	—	420mm
Stem Length	—	100mm
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