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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	359	524	466	419	560
Stack	717	644	666	726	775
Top Tube (effective)	637	730	635	580	550
Seat Tube C-T	809	663	790	789	825
Seat Tube C-C	28	44	45	34	40
Head Angle	60	74	63	54	55
Seat Angle	69	80	82	86	72
Head Tube	74	84	101	108	144
Chainstay	421	403	434	346	507
Wheelbase	1002	1160	1087	1321	1208
Standover	614	769	671	785	638
BB Drop	45 - 18	54	67	53	59
BB Height	250	250	300	370	328
Fork Rake / Offset	37 - 15	44	49	42	38
Trail	114	128	139	111	145
Data Source	Retailer	Retailer	Retailer	Retailer	Retailer

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