2021 Boardman Bikes SLR 9.2 Disc

	XS	SM	MD	LG	XL
Stack	517mm	542mm	563mm	584mm	600mm
Reach	377mm	380mm	388mm	391mm	402mm
Stack to Reach Ratio	1.37:1	1.43:1	1.45:1	1.49:1	1.49:1
Seat Tube Length, C-T	470mm	485mm	500mm	525mm	545mm
Top Tube Length, Effective/Horizontal Center	525mm	540mm	555mm	570mm	585mm
Top Tube Slope	7.3deg	8.5deg	9deg	8.6deg	8deg
Head Tube Angle	71deg	72deg	72.5deg	73deg	73deg
Seat Tube Angle	74deg	73.5deg	73.5deg	73deg	73deg
Head Tube Length	120mm	140mm	160mm	180mm	195mm
Bottom Bracket Drop	65mm	68mm	68mm	68mm	68mm
Bottom Bracket Height	274mm	271mm	271mm	271mm	271mm
Chainstay Length	415mm	415mm	415mm	415mm	415mm
Chainstay Length Horizontal	409.9mm	409.4mm	409.4mm	409.4mm	409.4mm
Front-Center	587mm	589mm	599mm	600mm	616mm
Front-Center Horizontal	581.1mm	583.6mm	592.6mm	596.6mm	612.6mm
Wheelbase	991mm	993mm	1002mm	1006mm	1022mm
Fork Offset/Rake	45.8mm	47.2mm	46.3mm	45.8mm	45.9mm
Fork Length (On-Axis)	373mm	373mm	373mm	373mm	373mm
Trail	68.2mm high	60.6mm mid/neutral	58.4mm mid/neutral	55.8mm mid/neutral	55.7mm mid/neutral
Mechanical Trail	64.5mm	57.6mm	55.7mm	53.4mm	53.3mm
Wheel Flop	21mm	17.8mm	16.7mm	15.6mm	15.6mm
Tire to Pedal Spindle	78mm 170 mm cranks	80mm 170 mm cranks	87.5mm 172.5 mm cranks	86mm 175 mm cranks	102mm 175 mm cranks
Pedal Spindle to Ground Clearance	104mm 170 mm cranks	101mm 170 mm cranks	98.5mm 172.5 mm cranks	96mm 175 mm cranks	96mm 175 mm cranks

Published Sizing Recommendations

Height

162 cm

170 cm

179 cm

177 cm

183 cm

181 cm

189 cm

187 cm

195 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.

Category Trend

Source:https://www.boardmanbikes.com/gb_en/products/2362-slr-9.2-disc-2021.html