BMW K bikes (Bricks)

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1Back to top Go down   Brake Disc cap nuts Empty Brake Disc cap nuts Wed Aug 10, 2022 4:02 pm


active member
active member
Has anybody tried using connector cap nuts for attaching brake discs to the center hub? They would look a bit neater than a M6 bolt and lock nut. An M6x12mm connector and an M5x10mm bolt.


2Back to top Go down   Brake Disc cap nuts Empty Re: Brake Disc cap nuts Fri Aug 12, 2022 9:44 am

bad boy

bad boy
Life time member
Life time member
Two Wheels Better wrote:
Big Bock K100
post #38
Wed Jan 21, 2015

I've found the perfect brake disc hold down screw from BMW.
It's a T30 Torx®, part number 34 11 7 700 989, with shoulder, 8 x 27mm x 1.25 thread pitch, from any late model R, K or S Beemer.

Brake Disc cap nuts Imag1026

No machining's required and they clear the inside of the fork legs by a country mile.

Cheerz, David

Brake Disc cap nuts 9438-010

1997 Peraves Super Ecomobile: a Kevlar reinforced monocoque with outrigger wheels, seating two.
K100 fork, monolever, headlight, indicators, K1100RS gearbox and K1200RS 589 engine, rear wheel

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