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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	461	386	381	475	544
Stack	501	663	699	682	696
Top Tube (effective)	522	665	622	752	580
Seat Tube C-T	756	605	590	837	761
Seat Tube C-C	29	31	42	41	38
Head Angle	57	56	73	71	74
Seat Angle	89	87	65	72	84
Head Tube	88	82	96	107	128
Chainstay	455	430	372	440	460
Wheelbase	1067	1352	1294	1130	1100
Standover	832	625	824	821	798
BB Drop	45 - 18	67	61	72	59
BB Height	331	323	287	295	314
Fork Rake / Offset	37 - 15	46	39	37	50
Trail	112	100	111	123	148
Data Source	Retailer	Retailer	Retailer	Retailer	Retailer

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