ボールトップキャップアダプターカーキット - ユニバーサルフィット

Took me under a minute to swap out the cap on my existing arm, and the no-tools claim actually holds up. The 20mm socket fit is snug enough that there’s zero wobble on bumpy roads, which is exactly what I needed.

That ball top snaps right into my existing socket arm and clicks in secure, no wobble at all on bumpy roads. The no-tools install really is as simple as they say, I had it set up in the parking lot before my coffee got cold.

Took me less than a minute to swap onto my existing 20mm socket arm, and the ball joint clicks in solid with zero wobble. No tools needed was genuinely true — I just tightened it by hand and it’s held up through a week of bumpy commutes.