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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	460	415	389	430	564
Stack	637	724	610	752	585
Top Tube (effective)	477	701	650	531	552
Seat Tube C-T	820	644	620	831	858
Seat Tube C-C	31	31	47	44	45
Head Angle	71	62	62	65	56
Seat Angle	62	67	70	83	79
Head Tube	93	98	89	106	143
Chainstay	343	391	391	455	402
Wheelbase	1313	1098	1118	1031	1186
Standover	634	614	825	656	658
BB Drop	45 - 18	55	67	49	69
BB Height	347	318	267	348	361
Fork Rake / Offset	37 - 15	50	44	52	43
Trail	137	117	137	100	135
Data Source	Retailer	Retailer	Retailer	Retailer	Retailer

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