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TREK Roscoe 8 Gen 4 2026

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Geometry

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	Small	Medium	Medium/Large	Large	X-Large
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Reach	349	364	378	492	521
Stack	520	766	554	725	716
Top Tube (effective)	577	598	530	661	769
Seat Tube C-T	654	880	630	791	610
Seat Tube C-C	26	33	46	43	41
Head Angle	62	59	55	55	60
Seat Angle	77	72	90	71	83
Head Tube	74	112	114	117	128
Chainstay	429	426	379	456	348
Wheelbase	918	1265	1047	1184	1013
Standover	571	688	789	883	782
BB Drop	45 - 18	71	71	51	51
BB Height	328	295	283	355	334
Fork Rake / Offset	37 - 15	45	36	39	47
Trail	103	146	141	136	145
Data Source	Retailer	Retailer	Retailer	Retailer	Retailer

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