Type 9 Mount Base for Handlebar Clamp Diameter [RECMount] "Second Generation" Garmin/CatEye (Narrow Double-Ended Type, Only) [90-GM] 31.8mm

Released in July 2018. This is a minor change from the Type 9. [Recommended mount: Type 19 with a shorter 15mm arm] 31.8mm only (no shims available). Separate 35.0mm and 26.0mm versions are available, but cannot be selected on Amazon. Base only [90-GM] For those who plan to install only Garmin or CatEye meters or expand the mount separately from the combo mount. Apart from the combo mount, this extension is recommended for those who purchase the double base adapter [400-Double-GP3] for attaching two devices to the bottom, or the Di2 junction and lower adapter [Di2-EW90-400A]. Compatible models (as of July 15, 2018): Garmin: Edge 20/25/500/510/520/800/810/820, etc. (compatible with sizes ending in J) *Sizes 1000 and above can be mounted higher than the stem. Compatible models (as of July 15, 2018): Cateye: V3n / Padrone / Strada / Stealth / Velo Wireless / etc. Bracket (1602980) (1602193) Compatible models. *The adapter may be tight on some models, but this is by design. Rotate it to remove and attach it, except for battery replacement.