2021 Trek Bikes Émonda Base

	47 cm	50 cm	52 cm	54 cm	56 cm	58 cm	60 cm
Stack	507mm	521mm	533mm	541mm	563mm	581mm	601mm
Reach	373mm	378mm	383mm	386mm	391mm	396mm	399mm
Stack to Reach Ratio	1.36:1	1.38:1	1.39:1	1.4:1	1.44:1	1.47:1	1.51:1
Seat Tube Length, C-T	424mm	453mm	483mm	496mm	525mm	553mm	573mm
Top Tube Length, Effective/Horizontal Center	512mm	521mm	534mm	543mm	559mm	574mm	586mm
Top Tube Slope	11.4deg	9.6deg	7.6deg	7.1deg	6.3deg	5.3deg	5.4deg
Head Tube Angle	72.1deg	72.1deg	72.8deg	73deg	73.5deg	73.8deg	73.9deg
Seat Tube Angle	74.6deg	74.6deg	74.2deg	73.7deg	73.3deg	73deg	72.8deg
Head Tube Length	100mm	111mm	121mm	131mm	151mm	171mm	191mm
Bottom Bracket Drop	72mm	72mm	72mm	70mm	70mm	68mm	68mm
Bottom Bracket Height	264mm	264mm	264mm	266mm	266mm	268mm	268mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm	411mm	411mm
Chainstay Length Horizontal	403.6mm	403.6mm	403.6mm	404mm	404mm	405.3mm	405.3mm
Front-Center	572.9mm	574.9mm	577.9mm	581.3mm	583.2mm	590.6mm	599.5mm
Front-Center Horizontal	568.4mm	570.4mm	573.4mm	577mm	579mm	586.7mm	595.7mm
Wheelbase	972mm	974mm	977mm	981mm	983mm	992mm	1001mm
Fork Offset/Rake	52.2mm	45.1mm	45.5mm	45mm	40.3mm	40mm	41.1mm
Trail	53.7mm mid/neutral	61.2mm mid/neutral	56.3mm mid/neutral	55.7mm mid/neutral	57.5mm mid/neutral	56mm mid/neutral	54.2mm mid/neutral
Mechanical Trail	51.1mm	58.2mm	53.8mm	53.3mm	55.2mm	53.8mm	52mm
Wheel Flop	15.7mm	17.9mm	15.9mm	15.6mm	15.7mm	15mm	14.4mm
Standover Height	692mm	711mm	732mm	744mm	768mm	793mm	811mm
Tire to Pedal Spindle	71.9mm 165 mm cranks	68.9mm 170 mm cranks	71.9mm 170 mm cranks	72.8mm 172.5 mm cranks	74.7mm 172.5 mm cranks	82.1mm 172.5 mm cranks	88.5mm 175 mm cranks
Pedal Spindle to Ground Clearance	99mm 165 mm cranks	94mm 170 mm cranks	94mm 170 mm cranks	93.5mm 172.5 mm cranks	93.5mm 172.5 mm cranks	95.5mm 172.5 mm cranks	93mm 175 mm cranks

	47 cm	50 cm	52 cm	54 cm	56 cm	58 cm	60 cm
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	700C/29 in 622 mm BSD
Tire Width	25mm	25mm	25mm	25mm	25mm	25mm	25mm
Tire Width Max	28mm	28mm	28mm	28mm	28mm	28mm	28mm
Tire Outer Diameter	672mm	672mm	672mm	672mm	672mm	672mm	672mm
Bike Length with Tires	1644mm	1646mm	1649mm	1653mm	1655mm	1664mm	1673mm
Crank Length	165mm	170mm	170mm	172.5mm	172.5mm	172.5mm	175mm
Handlebar Width	38cm	38cm	40cm	42cm	42cm	42cm	44cm
Stem Length	80mm	80mm	90mm	90mm	100mm	110mm	110mm

Published Sizing Recommendations

Height	152 cm to 158 cm	158 cm to 163 cm	163 cm to 168 cm	168 cm to 174 cm	174 cm to 180 cm	180 cm to 185 cm	185 cm to 190 cm
PBH	74 cm to 77 cm	76 cm to 79 cm	78 cm to 82 cm	81 cm to 85 cm	84 cm to 87 cm	86 cm to 90 cm	89 cm to 92 cm

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.

Learn more about the Upright/Aggressive Scale

Category Trend

Performance Road

Source:https://www.trekbikes.com/gb/en_GB/bikes/road-bikes/performance-road-bikes/%C3%A9monda/%C3%A9monda-slr/%C3%A9monda-slr-7/p/32565/?colorCode=bluedark_red

Suggest Bike Edit

2021 Trek Bikes Émonda Base

Geometry

Base Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend