MMR Adrenaline 50

A race-focused road bike from 2026, made in 5 sizes from XS to XL.

Size

Stack 546 mmReach 387 mm

Geometry

MMR Adrenaline 50 geometry by frame size
Size
Fit
Stack (mm)How high the front sits	501	526	546	566	591
Reach (mm)How far forward the bars start	370	379	387	395	405
Stack ÷ reach Higher = more upright	1.35	1.39	1.41	1.43	1.46
Top tube (effective) (mm)Horizontal top-tube length	509	530	549	568	591
Seat tube angle Saddle position over the pedals	74.5°	74°	73.5°	73°	72.5°
Seat tube length (mm)Frame size reference	450	490	530	560	600
Head tube length (mm)Front-end height	102	125	144	163	187
Handling
Head tube angle Steeper = quicker steering	71°	72°	72.5°	73°	73.5°
Trail (mm)More = steadier steering	47	47	47	47	47
Wheelbase (mm)Longer = more stable	972	980	990	1000	1012
Chainstay (mm)Shorter = snappier	410	410	410	410	410
BB drop (mm)More = lower centre of gravity	70	70	70	70	70
BB height (mm)Pedal clearance in corners	266	266	266	266	266
Front centre (mm)Room for your toes	–	–	480	510	550

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

A low, stretched position built for speed. Suits flexible riders who like to ride fast.

Size M is lower and longer than 70% of the 218 road frames we track.

The closest road frames from other ranges, against size M here.

Bikes with a similar fit, compared with size M of this bike
Bike	Size	Stack	Reach
MMR Aelion 002026Stack same, reach same	M	same	same
Bmc Teammachine R 01 FIVE2026Stack +2 mm, reach same	54	+2 mm	same
Specialized S-Works Tarmac SL9 - Shimano Dura-Ace Di22027Stack −2 mm, reach −3 mm	54	−2 mm	−3 mm
Merida REACTO TEAM2027Stack −4 mm, reach +3 mm	SM	−4 mm	+3 mm
Merida SCULTURA 10K2026Stack −4 mm, reach +3 mm	SM	−4 mm	+3 mm
Giant Propel Advanced 12027Stack same, reach +1 mm	M	same	+1 mm

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