Heckler SL Frame Specifications

Wheel Size	MX
Max Tire	2.6"
Fork Travel	160mm
Fork Axle-to-Crown	571mm
Fork Offset	44mm
Rear Spacing	148mm
UDH Compatible	Yes
Front Derailleur	No
Headset	IS 41 / IS52
Bottom Bracket	Fazua DU w/ E-TOR spindle
Max Chainring	36t
Brake	PM 200mm
Max Rotor	220mm
Shock Dimensions	210x55
Shock Mounting Bushing Front	30x8
Shock Mounting Bushing Rear	30x8

Geometry

All units are in millimeters or degrees.

	S	M	L	XL	XXL
Reach \| hi/lo	435/432.4	460/457.4	480/477.5	500/497.4	525/522.5
Stack	614.9/616.8	624/625.8	633/634.9	651/653	664.5/666.5
Head Tube Angle	64.3/64	64.3/64	64.3/64	64.3/64	64.3/64
Seat Tube Length	380/380	405/405	430/430	460/460	500/500
Front Center	766.1/765.9	795.4/795.3	819.7/819.6	848.4/848.3	879.9/879.8
BB Height	344/340.7	344/340.7	344/340.7	344/340.7	344/340.7
BB Drop (front)	28.5/31.8	28.5/31.8	28.5/31.8	28.5/31.8	28.5/31.8
BB Drop (rear)	9.9/13.3	9.9/13.3	9.9/13.3	9.9/13.3	9.9/13.3
Wheelbase	1209.1/1209.7	1238.4/1239.1	1262.7/1263.4	1294.4/1295.1	1329.9/1330.5
Rear Center	443/443.8	443/443.8	443/443.8	446/446.8	450/450.7
Head Tube Length	100	110	120	140	155
Top Tube Length	569.2/579.6	602.7/602.9	620.6/621.5	641.8/642.7	669.1/670
Seat Tube Angle	76.8/76.6	77.1/76.9	77.5/77.2	77.7/77.5	77.8/77.5
Standover Height	720.1/716.2	733/728.8	733.4/729.3	731.7/731.6	741/738.6

Frame Sizing

If you're on the cusp between the recommended height range of two sizes, the absolute best thing is to try to ride them both. At a minimum, check the stack/reach measurements on your current bike and compare it to the new model you are looking at to get an idea of a fit you are already comfortable with. If riding the bike is not an option, consider the following.

The Heckler SL is available in sizes extra small - extra extra large (S-XXL).

Personal Preference

A larger size frame will be more stable, and will give you more room to move without upsetting the weight-balance of the bike. The larger size will put the front wheel further in front of you, which gives the feeling of security and conversely, it will require more significant body movements when you WANT to shift the weight-bias of the bike. Think hard about your riding style and how active/intuitive you want it to be vs stable and speedy. You'll need to work a bit harder to muscle the larger bike around.

Body Dimension

Not all bodies at a given height are the same. If you have longer legs and a shorter torso than the average person your height, that may push you towards the smaller of the recommended sizes. If you're all torso and arms, most likely you'll want to size up.

Dropper Post Compatibility

Take a look at our dropper post calculator to find our minimum and maximum dropper post recommendations for your bike.

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Santa Cruz - Heckler SL 1 C MX 24