2020 Twmpa Cycles GR 1.0 Base

	X Small	Small	Medium	Large	X Large
Stack	535mm	550mm	574mm	596mm	630mm
Reach	365mm	375mm	384mm	392mm	405mm
Stack to Reach Ratio	1.47:1	1.47:1	1.49:1	1.52:1	1.56:1
Seat Tube Length, Effective HT Top	527mm	542mm	567mm	591mm	628mm
Top Tube Length, Effective/Horizontal HT Top	527mm	542mm	558mm	573mm	596mm
Top Tube Slope	10deg	9deg	9deg	9deg	9deg
Head Tube Angle	70deg	70.5deg	70.5deg	71deg	71deg
Seat Tube Angle	73deg	73deg	73deg	73deg	73deg
Head Tube Length	112mm	125mm	151mm	172mm	209mm
Bottom Bracket Drop	65mm	65mm	65mm	65mm	65mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	284mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	430.1mm	430.1mm	430.1mm	430.1mm	430.1mm
Front-Center	586mm	597mm	614mm	622mm	646mm
Front-Center Horizontal	585.9mm	596.9mm	613.9mm	621.9mm	645.9mm
Wheelbase	1016mm	1027mm	1044mm	1052mm	1076mm
Fork Offset/Rake	52mm	50mm	50mm	47mm	47mm
Fork Length (Axle-To-Crown)	395mm	395mm	395mm	395mm	395mm
Trail	71.7mm high	70.5mm high	70.5mm high	70.5mm high	70.5mm high
Mechanical Trail	67.4mm	66.5mm	66.5mm	66.6mm	66.6mm
Wheel Flop	23mm	22.2mm	22.2mm	21.7mm	21.7mm
Standover Height	758mm	775mm	799mm	820mm	853mm
Tire to Pedal Spindle	72mm 165 mm cranks	83mm 165 mm cranks	95mm 170 mm cranks	98mm 175 mm cranks	122mm 175 mm cranks
Pedal Spindle to Ground Clearance	119mm 165 mm cranks	119mm 165 mm cranks	114mm 170 mm cranks	109mm 175 mm cranks	109mm 175 mm cranks

Published Sizing Recommendations

Height

—

165 cm

173 cm

170 cm

178 cm

177 cm

185 cm

184 cm

192 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.twmpacycles.co.uk/