Detailed assembly instructions Detailed assembly instructions
34
35
Speedmachine Owners Manual
4 6 Nm
Thread locker
• Tighten to 6 Nm using a hex 4mm wrench.
Headset and fork assembly
The Speedmachine is designed to fit high grade stainless steel headset bearings
from Enduro Bearings.
Specifications of these bearings are:
Reference Dimensions
Upper bearing ACB 4545 1125T SS-bx 30.15x41x7; 45x45°; 1.125” SS
Lower Bearing ACB 4545 125L SS-blk 34.1x46.8x7;45x45°; 1.25” SS
HS 970
Grease
• Install the upper bearing in the frame head tube using grease in the bearing race and
onto the bearing surfaces.
• Front and rear brake hose should be routed through the upper bearing.
• Install the lower bearing in the frame head tube using grease in the bearing race and
on the bearing surfaces. The grease should help the lower bearing to stay in place by
sticking.
• Route the front brake hose on the right side of the steerer tube, hold the rear brake
hose on the left side of the head tube and insert the fork steerer tube through the head
tube and headset bearings.
• Slide the headset sleeve onto the steerer tube with its round face facing forward
(flat face to the back).
Front brake Rear brake
• Bolt on the M6x50 headset
compression bolt.
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