2025 Nich Kem Base

	XXS (42)	XS (46)	S (50)	M (55)	L (60)
Stack	520mm	548mm	580mm	609mm	637mm
Reach	367mm	377mm	385mm	390mm	400mm
Stack to Reach Ratio	1.42:1	1.45:1	1.51:1	1.56:1	1.59:1
Seat Tube Length, Unknown	420mm	460mm	500mm	550mm	600mm
Top Tube Length, Effective/Horizontal Center	506mm	534mm	551mm	564mm	583mm
Top Tube Slope	13.5deg	11.9deg	10.8deg	8.4deg	6.1deg
Head Tube Angle	71deg	71deg	72deg	72deg	72deg
Seat Tube Angle	75deg	74deg	74deg	74deg	74deg
Head Tube Length	90mm	120mm	150mm	180mm	210mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	578mm	597mm	606mm	620mm	640mm
Front-Center Horizontal	572.5mm	592.5mm	601.5mm	615.5mm	635.5mm
Wheelbase	1001mm	1021mm	1030mm	1044mm	1064mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length, Unknown	395mm	395mm	395mm	395mm	395mm
Trail	69.7mm high	69.7mm high	63.1mm mid/neutral	63.1mm mid/neutral	63.1mm mid/neutral
Mechanical Trail	65.9mm	65.9mm	60mm	60mm	60mm
Wheel Flop	21.5mm	21.5mm	18.5mm	18.5mm	18.5mm
Tire to Pedal Spindle	52mm 170 mm cranks	71mm 170 mm cranks	80mm 170 mm cranks	94mm 170 mm cranks	114mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks

Published Sizing Recommendations

Height

12 ft 6 in

13 ft 9 in

14 ft 2 in

14 ft 7 in

15 ft 5 in

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.nichcycling.com/pages/kem-gravel