Renthal
Renthal Duo Stem 40 mm. - Aluminum Gold/Black
SKU: R0A9 STM109-BKAG
Description
Part #: STM109-BKAG
The Renthal Duo (TM) stem is designed to ride faster, jump further and last longer. The stem is horizontally divided, allowing it to be machined in two pieces. This gives unrestricted access to the stem core, enabling weight to be reduced to the absolute minimum, without compromising strength.
Fitment
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Available on iOS & Android
Specifications
| Brand | Renthal |
| Part Number | R0A9 STM109-BKAG |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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