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Compare Bikes

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Choose Baseline
Reach
Stack
Top Tube (effective)
Seat Tube C-T
Head Angle
Seat Angle
Head Tube
Chainstay
Wheelbase
Front Centre
Standover
BB Drop
BB Height
Fork Rake / Offset
Trail
Axle to Crown
Remove


	Giant Defy 1 2017: M/L	Specialized Tarmac SL4 Sport 2017: 56	Specialized Tarmac SL4 Sport 2017: 54
Choose Baseline
Reach	391	342	456
Stack	518	623	554
Top Tube (effective)	499	470	476
Seat Tube C-T		628	452
Head Angle	72.5°	73	63
Seat Angle	73.0°	72	87
Head Tube	224	161	137
Chainstay	438	441	327
Wheelbase	808	903	1003
Front Centre		687	567
Standover	901	919	745
BB Drop		62	68
BB Height		265	287
Fork Rake / Offset		37	36
Trail		45	52
Axle to Crown		361	343
Remove
	Giant Defy 1 2017: M/L	Specialized Tarmac SL4 Sport 2017: 56	Specialized Tarmac SL4 Sport 2017: 54

Image showing geometry measurements

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