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TanTan GR257 2026

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Geometry

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	480	510	540	560	580	610
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Reach	396	434	449	350	376	423
Stack	438	643	470	467	672	538
Top Tube (effective)	610	474	634	449	663	709
Seat Tube C-T	451	550	506	451	606	637
Head Angle	67	59	58	64	59	80
Seat Angle	67	66	85	60	72	83
Head Tube	91	123	142	137	159	196
Chainstay	367	503	513	357	506	456
Wheelbase	870	1000	1075	1145	1076	1194
Front Centre	578	487	532	513	524	675
BB Drop	91	75	59	55	57	76
Fork Length (A2C)	331	397	367	483	454	463
Data Source	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer	Manufacturer

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