Problem Solvers Under Stem Mount - Shimano Di2

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The Under Stem Mount allows riders to secure a Shimano Di2 Junction Box to their bike quickly and easily without the need for zip ties, duct tape, or other unreliable attachments. Lightweight alloy headset spacer with nylon body (9g) Compatible only with Shimano Di2 Junction Box 95mm length, 44mm width, 6mm height Problem Solvers Under Stem Mount - Shimano Di2, 6 degree, Black 6 Degree angle Problem Solvers Under Stem Mount - Shimano Di2, 17 degree, Black 17 Degree angle Show more