Compare: 2024 TWITTER Bikes T8 RS 540 vs 2025 LightCarbon LCR017-D Base 560

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of TWITTER Bikes T8

Bar type unusual for category

This: Aero Bar
Category: Drop Bar

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of LightCarbon LCR017-D

Stack	553mm	562.7mm +9.7mm
Reach	389mm	396.4mm +7.4mm
Stack to Reach Ratio	1.42:1	1.42:1
Seat Tube Length, C-TTT	540mm	—
Seat Tube Length, Unknown	—	542mm
Top Tube Length, Effective/Horizontal Center	—	565mm
Top Tube Length, Effective/Horizontal HT Top	565mm	—
Top Tube Slope	1.6deg	4.5deg +2.9deg
Head Tube Angle	73deg	73deg +0deg
Seat Tube Angle	74deg	73.3deg -0.7deg
Head Tube Length	—	161mm
Bottom Bracket Drop	72mm	70mm -2mm
Bottom Bracket Height	264mm	269mm +5mm
Chainstay Length	405mm	410mm +5mm
Chainstay Length Horizontal	398.6mm	404mm +5.4mm
Front-Center	974mm	598.3mm -375.7mm
Front-Center Horizontal	586.5mm	594.2mm +7.7mm
Wheelbase	985mm	998.2mm +13.2mm
Fork Offset/Rake	45mm	45mm +0mm
Fork Length, Unknown	—	368mm
Trail	55.7mm mid/neutral	56.6mm +0.9mm mid/neutral
Mechanical Trail	53.2mm	54.1mm +0.9mm
Wheel Flop	15.6mm	15.8mm +0.2mm
Standover Height	—	813mm
Tire to Pedal Spindle	468mm 170 mm cranks	89.3mm -378.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	94mm 170 mm cranks	99mm +5mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	25mm	28mm +3mm
Tire Width Max	28mm	32mm +4mm
Tire Outer Diameter	672mm	678mm +6mm
Bike Length with Tires	1657mm	1676.2mm +19.2mm
Crank Length	170mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Aero Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc