Merida SILEX 10K

An all-road gravel bike from 2024, made in 5 sizes from XS to XL.

Size

Stack 607 mmReach 412 mm

Geometry

Merida SILEX 10K geometry by frame size
Size
Fit
Stack (mm)How high the front sits	570	588	607	626	645
Reach (mm)How far forward the bars start	392	402	412	426	441
Stack ÷ reach Higher = more upright	1.45	1.46	1.47	1.47	1.46
Top tube (effective) (mm)Horizontal top-tube length	550	565	580	600	620
Seat tube angle Saddle position over the pedals	74.5°	74.5°	74.5°	74.5°	74.5°
Seat tube length (mm)Frame size reference	440	470	500	530	560
Head tube length (mm)Front-end height	130	150	170	190	210
Standover (mm)Clearance when you stop	744	771	798	825	852
Handling
Head tube angle Steeper = quicker steering	69.5°	69.5°	69.5°	69.5°	69.5°
Fork offset (mm)Fork rake	45	45	45	46	45
Trail (mm)More = steadier steering	82	82	82	81	82
Wheelbase (mm)Longer = more stable	1048	1065	1082	1104	1126
Chainstay (mm)Shorter = snappier	430	430	430	430	430
BB drop (mm)More = lower centre of gravity	75	75	75	75	75
BB height (mm)Pedal clearance in corners	261	261	261	261	261
Front centre (mm)Room for your toes	629	646	663	685	707

Underlined values are calculated by BikeLens. A dash means the brand doesn't publish it.

Quick enough for spirited riding, comfortable enough for long days on mixed terrain.

Size MD is more upright than 50% of the 106 gravel frames we track.

The closest gravel frames from other ranges, against size MD here.

Bikes with a similar fit, compared with size MD of this bike
Bike	Size	Stack	Reach
Wilier Jaroon2024Stack −1 mm, reach −3 mm	L	−1 mm	−3 mm
Basso Tera2026Stack same, reach −4 mm	XL	same	−4 mm
Bmc URS 01 LT ONE2026Stack +3 mm, reach +8 mm	L	+3 mm	+8 mm
Wilier Adlar2024Stack +3 mm, reach +10 mm	L	+3 mm	+10 mm
Megamo WEST 032027Stack −7 mm, reach −7 mm	L	−7 mm	−7 mm
Megamo SILK 01 SLR2026Stack −2 mm, reach +4 mm	XL	−2 mm	+4 mm

These builds share this exact geometry, so they fit the same.