	S	S	M	M	L	L	XL	XL
Stack	600mm	600mm	609mm	609mm	618mm	618mm	631mm	631mm
Reach	440mm	440mm	471mm	471mm	491mm	491mm	521mm	521mm
Stack to Reach Ratio	1.36:1	1.36:1	1.29:1	1.29:1	1.26:1	1.26:1	1.21:1	1.21:1
Top Tube Length, Actual C-C	570mm	570mm	604mm	604mm	628mm	628mm	663mm	663mm
Head Tube Angle	65.6deg	65.6deg	65.6deg	65.6deg	65.6deg	65.6deg	65.6deg	65.6deg
Seat Tube Angle	77.9deg	77.9deg	77.7deg	77.7deg	77.6deg	77.6deg	77.4deg	77.4deg
Head Tube Length	110mm	100mm	120mm	110mm	135mm	120mm	—	135mm
Bottom Bracket Drop	30mm	30mm	30mm	30mm	30mm	30mm	30mm	30mm
Bottom Bracket Height	283.4mm	283.4mm	283.4mm	283.4mm	283.4mm	283.4mm	283.4mm	283.4mm
Chainstay Length	451mm	451mm	451mm	451mm	451mm	451mm	451mm	451mm
Chainstay Length Horizontal	450mm	450mm	450mm	450mm	450mm	450mm	450mm	450mm
Front-Center	748.6mm	748.6mm	782.6mm	782.6mm	807.6mm	807.6mm	843.5mm	843.5mm
Front-Center Horizontal	748mm	748mm	782mm	782mm	807mm	807mm	843mm	843mm
Wheelbase	1198mm	1198mm	1232mm	1232mm	1257mm	1257mm	1293mm	1293mm
Fork Offset/Rake	45mm	45mm	44mm	44mm	44.9mm	44.9mm	45mm	45mm
Trail	92.7mm very high	92.7mm very high	93.8mm very high	93.8mm very high	92.9mm very high	92.9mm very high	92.8mm very high	92.8mm very high
Mechanical Trail	84.5mm	84.5mm	85.4mm	85.4mm	84.6mm	84.6mm	84.5mm	84.5mm
Wheel Flop	34.9mm	34.9mm	35.3mm	35.3mm	35mm	35mm	34.9mm	34.9mm
Tire to Pedal Spindle	265.2mm 170 mm cranks	265.2mm 170 mm cranks	299.2mm 170 mm cranks	299.2mm 170 mm cranks	324.2mm 170 mm cranks	324.2mm 170 mm cranks	360.1mm 170 mm cranks	360.1mm 170 mm cranks
Pedal Spindle to Ground Clearance	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks	113.4mm 170 mm cranks

	S	S	M	M	L	L	XL	XL
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	700C/29 in 622 mm BSD
Tire Width	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm	2.4mm
Tire Outer Diameter	626.8mm	626.8mm	626.8mm	626.8mm	626.8mm	626.8mm	626.8mm	626.8mm
Bike Length with Tires	1824.8mm	1824.8mm	1858.8mm	1858.8mm	1883.8mm	1883.8mm	1919.8mm	1919.8mm

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

Full-suspension All-mountain/Enduro MTB

Source:https://www.flyer-bikes.com/de-de/produktdetailseite/flyer-g1-uproc-sl-x-8-70-2025-diamant?AKLW=AKLW_beba0462&FARB=FARB_K6KJTS15&RHOE=RHOE_00000700#specs-ebikes-bikes-gesamt

Suggest Bike Edit

2025 flyer G1 Uproc SL:X 8.70 Base

Geometry

Base Build

Stack and Reach vs. Category Trend