tune Sixpack Titanium

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  • Tretlager at its very best:

    • The bottom bracket that withstands the legs of the strongest sprinters
    • Wide experience with light weight bottom brackets for many years
    • Multiple product protection. That’s what we call the leading edge.
    • Superstiff, superlight
    • Maximum bearing spacing
    • Easy installation
    • Best fit, no creaking
    • Adjustable chain line (on request only)
    • Location - non-location bearing application – no misalignment possible
    • Easy and inexpensive exchange of cartridge bearings
    • The bottom bracket for life!


    Production methodCNC-lathed cups, spindle, bolts
    MaterialCups made from Aluminium 7075 T6
    Axle made from Titanium TiAl6V4 (Sixpack Ti) respectively stainless steel (Sixpack St.)
    Bolts made from Aluminium 7075 T6
    Axle lengths105 / 110 / 113 / 117 / 120 mm 107 / 110 / 113 / 117 / 120 mm
    Hex tapertune Standard 2°
    Threads of cupsBSA 1.37" x 24
    ITA 36 x 24
    Installationwith pin tool (makeshift), better with tune W2 tool
    Chainlinefixed chain line, adjustable upon request
    Bearings61804, single row
    Sealing6 times - 2 labyrinth seals and 2 lips per cartridge bearing
    Crank fixationLeft/Right-Hand thread (M14x1-M15x4)
    Bolts are self-extracting
    The thick elongation bolts increase the torsional rigidity of the spindle while preventing the notch effect.
    Weight w/out boltsSixpack Ti - 107 mm: 139 g; 113 mm: 142 g
    Sixpack St. - 107 mm: 169 g; 113 mm: 176 g


    Instruction manual Fast Foot/Sixpack (PDF, 97 KB)

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  • Frequently asked questions
    ?Do I need a special tool in order to install the bottom bracket?
    If yes, which tool?
    »Yes, tune and we recommend to install it only with the tune W2, whose 6 pins interlock into every hole of the cups.
    As makeshift you can also use a wrench with pilots, but this leads in most cases to widened holes, which doesn't look very nice.

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This item is being handcrafted in Germany