Specialized Top Cap Torque

Pj any guidance on the torque for the stem itself.

Specialized top cap torque. Fsa megaexo crank adjusting cap 0 4 0 7 nm 32 53 in lbs fsa megaexo crank bolt pinch screws 9 8 11 2 nm 87 100 in lbs campagnolo 3 piece 32 38 nm 282 336 in lbs campagnolo ultra torque 42 nm 371 in lbs race face 54 nm 480 in lbs shimano 34 44 nm 305 391 in lbs shimano octalink xtr crank arm bolt 40 3 49 nm 357 435 in lbs shimano. Same is true for the end cap on a shimano hollowtech ii crankset. In order to achieve the specified torque value a quality torque wrench must be used. Yup the top cap is just used to preload the headset bearings before tightening it all up properly.

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Once you ve compressed the stack of bearings spacers grease compression cap etc the torque stops being necessary now you re down to actual bearing adjustment. You want the minimum torque to reduce play in the headset. Torque of 40 ft lbs or 4 5 nm my lbs said that i could simply snug it up and w b fine. Adjust the bearing preload with the top cap then retighten the stem to hold it firmly.

The torque you feel as you tighten the cap is the torque it takes to overcome the friction in the system and the weight of the fork if it is in a workstand. Tighten the top cap. Ideally use a torque wrench if you have one so as not to over tighten the stem on to the fork column. As others have said the top cap is pre load only.

When it s all back together you could actually take the top cap off and it ll have no effect other than letting the rain in. Lbs that w b fine too. The specialized turbo combines speed and style through an innovative electric assist motor advanced electronics and sleek design. This simple truth drives us to be and do better.

From seasoned pros and weekend warriors to kids and commuters if you ride we re for you. Once the stem is tightened in place is is purely cosmetic and covers the top of the steerer. To sum up i have never seen a headset like this before with another bolt in the top of the fork that the top cap bolt screws into my other bike has a star nut thing and the writing on the stem says 9nm so does the top cap. Tech tips are useful tips and tricks regarding installation and use.

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