- Part number: SPI-DT-ADV-BK
- Weight ball only: 20 grams
- Weight ball kit: 110 grams
- Materials: Billet Aluminum, Nitrile, hardened Steel
- Diameter: 1.125" (29mm)
- Height: 1.37" (35mm)
- Extension: 0.78" (20mm)
- Universal Fit. Every ball kit includes 4 bolts to allow fitment to any bike and eliminate unsightly adapters.
- Larger size. Our ball is 1.125", and even that small increase in diameter makes a big difference in rigidity. This means you don't have to overtighten the arm to keep it from moving while riding.
- Won't Crush. Our aluminum-filled base ball, coated with high-quality nitrile rubber won't degrade under extended compression. You won't have to repeatedly adjust your mirrors, because both ends of the system are designed to last.
- Won't spin. We include a lock washer that secures the ball in relation to the bike.
- SKU# BK
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