2021 Tiris Gravel Base

	XS	S	M	M/L	L
Stack	530mm	555mm	575mm	590mm	615mm
Reach	370mm	374mm	380mm	382mm	390mm
Stack to Reach Ratio	1.43:1	1.48:1	1.51:1	1.54:1	1.58:1
Seat Tube Length, Unknown	450mm	470mm	490mm	510mm	530mm
Top Tube Length, Effective/Horizontal Unknown	524mm	538mm	550mm	565mm	580mm
Top Tube Slope	11.2deg	11.6deg	11.5deg	10.9deg	11.2deg
Head Tube Angle	70deg	70deg	70.5deg	70.5deg	71deg
Seat Tube Angle	74deg	73.5deg	73.5deg	73deg	73deg
Head Tube Length	110mm	130mm	150mm	170mm	190mm
Bottom Bracket Drop	80mm	77.5mm	77.5mm	75mm	75mm
Bottom Bracket Height	263mm	265.5mm	265.5mm	268mm	268mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	427.6mm	428mm	428mm	428.5mm	428.5mm
Front-Center	595mm	605mm	612mm	625mm	633mm
Front-Center Horizontal	590.4mm	600mm	608mm	621.5mm	628.5mm
Wheelbase	1018mm	1028mm	1036mm	1050mm	1057mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length (Axle-To-Crown)	400mm	400mm	400mm	400mm	400mm
Trail	71.6mm high	71.6mm high	68.4mm high	68.4mm high	65.2mm high
Mechanical Trail	67.3mm	67.3mm	64.5mm	64.5mm	61.7mm
Wheel Flop	23mm	23mm	21.5mm	21.5mm	20.1mm
Standover Height	716mm	737mm	758mm	780mm	800mm
Tire to Pedal Spindle	82mm 170 mm cranks	92mm 170 mm cranks	99mm 170 mm cranks	112mm 170 mm cranks	120mm 170 mm cranks
Pedal Spindle to Ground Clearance	93mm 170 mm cranks	95.5mm 170 mm cranks	95.5mm 170 mm cranks	98mm 170 mm cranks	98mm 170 mm cranks

	XS	S	M	M/L	L
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
Tire Width	32mm	32mm	32mm	32mm	32mm
Tire Width Max	45mm	45mm	45mm	45mm	45mm
Tire Outer Diameter	686mm	686mm	686mm	686mm	686mm
Bike Length with Tires	1704mm	1714mm	1722mm	1736mm	1743mm

Published Sizing Recommendations

Height

150 cm

159 cm

160 cm

165 cm

166 cm

175 cm

176 cm

179 cm

180 cm

189 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

All-road/Gravel

Source:https://www.aliexpress.com/item/1005004034225191.html?spm=a2g0o.productlist.main.27.497854ee9Ma8r4&algo_pvid=f94001a9-5ee5-4767-8433-94d486910367&algo_exp_id=f94001a9-5ee5-4767-8433-94d486910367-13&pdp_npi=3%40dis%21GBP%21932.53%21774.0%21%21%21%21%21%402100ba4716818939915572863d0712%2112000029756572598%21sea%21UK%210&curPageLogUid=QUhqpuwPQjAL

Suggest Bike Edit

2021 Tiris Gravel Base

Geometry

Base Build

Published Sizing Recommendations

Stack and Reach vs. Category Trend