Nm on the endcap.

[bmwberra]

How hard should i tighten the 6 bolts on the endcap on my 5"..(Nm)...?

[ginap]

Fifteen inch-pounds. Or, two more turns once the screw heads hit the discs. Then check after your first ride and make any adjustment. Note: It is very important that you liberally use an anti-seize lubricant on the screws that hold the discs onto the core.

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http://www.supertrapp.com/resource/faqs.asp