2025 Transition Bikes Relay Carbon PNW

	XS	SM	MD	LG	XL	XXL
Stack	588mm	615mm	634mm	643mm	652mm	661mm
Reach	405mm	422mm	452mm	477mm	502mm	527mm
Stack to Reach Ratio	1.45:1	1.46:1	1.4:1	1.35:1	1.3:1	1.25:1
Seat Tube Length, C-T	380mm	390mm	410mm	430mm	460mm	490mm
Top Tube Length, Effective/Horizontal Center	532mm	564mm	597mm	631mm	665mm	696mm
Head Tube Angle	63.6deg	63.3deg	63.3deg	63.3deg	63.4deg	63.4deg
Effective Seat Tube Angle, Unknown	79.3deg	78.4deg	77.7deg	77.1deg	76.6deg	76.3deg
Seat Tube Exit Angle	70.6deg	70.3deg	70.3deg	70.3deg	70.3deg	70.4deg
Head Tube Length	100mm	100mm	115mm	125mm	135mm	145mm
Bottom Bracket Drop	11mm	25mm	25mm	25mm	25mm	25mm
Bottom Bracket Height	361mm	347mm	347mm	347mm	347mm	347mm
Chainstay Length	436mm	440mm	440mm	446mm	446mm	446mm
Chainstay Length Horizontal	435.9mm	439.3mm	439.3mm	445.3mm	445.3mm	445.3mm
Front-Center	736.2mm	772.1mm	808.1mm	837.1mm	867.1mm	896.1mm
Front-Center Horizontal	736.1mm	771.7mm	807.7mm	836.7mm	866.7mm	895.7mm
Wheelbase	1172mm	1211mm	1247mm	1282mm	1312mm	1341mm
Fork Offset/Rake	40.1mm	47.3mm	44.2mm	43.7mm	45.4mm	44.9mm
Trail	139.9mm very high	134.1mm very high	137.7mm very high	138.2mm very high	135.5mm very high	136.1mm very high
Mechanical Trail	125.3mm	119.8mm	123mm	123.5mm	121.2mm	121.7mm
Wheel Flop	55.7mm	53.8mm	55.3mm	55.5mm	54.3mm	54.5mm
Tire to Pedal Spindle	194.3mm 170 mm cranks	230.2mm 170 mm cranks	266.1mm 170 mm cranks	295.1mm 170 mm cranks	325.1mm 170 mm cranks	354.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	191mm 170 mm cranks	177mm 170 mm cranks	177mm 170 mm cranks	177mm 170 mm cranks	177mm 170 mm cranks	177mm 170 mm cranks

	XS	SM	MD	LG	XL	XXL
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	2.4in	2.4in	2.4in	2.4in	2.4in	2.4in
Tire Outer Diameter	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm	743.9mm
Bike Length with Tires	1915.9mm	1954.9mm	1990.9mm	2025.9mm	2055.9mm	2084.9mm
Stem Length	40mm	40mm	40mm	40mm	40mm	40mm

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:https://www.transitionbikes.com/Bikes_Relay.cfm

Geometry