2015 Specialized Bicycles Tarmac Sport

	49	52	54	56	58	61
Stack	504mm	526mm	543mm	564mm	591mm	612mm
Reach	386mm	386mm	387mm	395mm	402mm	408mm
Stack to Reach Ratio	1.31:1	1.36:1	1.4:1	1.43:1	1.47:1	1.5:1
Seat Tube Length, C-T	460mm	490mm	510mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal Center	518mm	537mm	548mm	565mm	582mm	600mm
Top Tube Slope	6.7deg	6deg	5.8deg	5.9deg	6.6deg	5.8deg
Head Tube Angle	72.25deg	73deg	73deg	73.5deg	73.5deg	74deg
Seat Tube Angle	75.5deg	74deg	73.5deg	73.25deg	73deg	72.5deg
Head Tube Length	100mm	120mm	140mm	160mm	190mm	210mm
Bottom Bracket Drop	71.5mm	71.5mm	69mm	69mm	67.5mm	67.5mm
Bottom Bracket Height	261.5mm	261.5mm	264mm	264mm	265.5mm	265.5mm
Chainstay Length	405mm	405mm	405mm	405mm	407mm	410mm
Chainstay Length Horizontal	398.6mm	398.6mm	399.1mm	399.1mm	401.4mm	404.4mm
Front-Center	576mm	576mm	583mm	591mm	605mm	612mm
Front-Center Horizontal	571.4mm	571.4mm	578.9mm	586.9mm	601.6mm	608.6mm
Wheelbase	970mm	970mm	978mm	986mm	1003mm	1013mm
Fork Offset/Rake	45mm	45mm	45mm	43mm	43mm	43mm
Trail	59.3mm mid/neutral	54.8mm mid/neutral	54.8mm mid/neutral	53.8mm mid/neutral	53.8mm mid/neutral	50.8mm mid/neutral
Mechanical Trail	56.5mm	52.4mm	52.4mm	51.6mm	51.6mm	48.8mm
Wheel Flop	17.2mm	15.3mm	15.3mm	14.7mm	14.7mm	13.5mm
Standover Height	730mm	755mm	775mm	795mm	826mm	850mm
Tire to Pedal Spindle	73mm 170 mm cranks	73mm 170 mm cranks	77.5mm 172.5 mm cranks	85.5mm 172.5 mm cranks	97mm 175 mm cranks	104mm 175 mm cranks
Pedal Spindle to Ground Clearance	91.5mm 170 mm cranks	91.5mm 170 mm cranks	91.5mm 172.5 mm cranks	91.5mm 172.5 mm cranks	90.5mm 175 mm cranks	90.5mm 175 mm cranks

	49	52	54	56	58	61
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	22mm	22mm	22mm	22mm	22mm	22mm
Tire Outer Diameter	666mm	666mm	666mm	666mm	666mm	666mm
Bike Length with Tires	1636mm	1636mm	1644mm	1652mm	1669mm	1679mm
Crank Length	170mm	170mm	172.5mm	172.5mm	175mm	175mm
Handlebar Width	400mm	420mm	420mm	420mm	440mm	440mm
Stem Length	75mm	90mm	100mm	100mm	110mm	110mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Category Trend

Source:specialized.com

Geometry