Specialized Bicycle Components

Amira SL4
Pro SRAM
Compact

WHERE TO BUY ›

Size	44	48	51	54	56
Seat-Tube Length, B-B Center to Top	390mm	420mm	460mm	490mm	510mm
Top-Tube Length, Horizontal	498mm	506mm	518mm	537mm	548mm
B-B Drop	73mm	73mm	73mm	73mm	71.5mm
Chain-Stay Length	405mm	405mm	405mm	405mm	408mm
Seat-Tube Angle	76°	75.75°	75.5°	74°	73.5°
Head-Tube Angle	70.5°	71.25°	72°	72°	72°
Fork Rake	51mm	51mm	49mm	49mm	49mm
Trail	66mm	62mm	59mm	59mm	59mm
Front-Center	576mm	580mm	582mm	588mm	596mm
Wheelbase	970mm	974mm	976mm	982mm	993mm
Stand-Over Height	692mm	718mm	735mm	758mm	777mm
Head-Tube Length	105mm	115mm	125mm	145mm	165mm
Handle-Bar Width	360mm	380mm	400mm	400mm	420mm
Stem Length	75mm	75mm	90mm	100mm	100mm
Crank Length	165mm	165mm	170mm	170mm	172.5mm
Seat-Post Length	300mm	300mm	300mm	300mm	350mm
Reach	365mm	371mm	378mm	378mm	380mm
Stack	503mm	515mm	528mm	547mm	564mm