To correct the seat position, only for first assembly, do not assemble afterwards!!!, use sparingly (especially with normal forks: breakage risk!!!), for standard- (between the upper bearing cup and lock nut) as also for ahead sets (between upper bearing cuo and stem) suitable, Dural aluminium

self-service package, carbon, suitable for stem Twist SDS and stem Twist Pro SDS, matt black

1" standard, steel
ball bearings

1 1/8", black

self-service package, with 5 aluminium spacers
3x 5mm, 1x 10mm, 1x 15mm

1 1/8", self-service package, with aluminium cap and screw

1 1/4", 39/32/3mm, aluminium, anodized black

with aluminium cap and screw, black

1 1/8", with aluminum cover, once usable

1 1/8", self-service package
ball bearings, stack height: 34,0, crown race: 30mm, 160g