iBike Fixture
grabcad
The holder for the seat tube is fixed as these tubes typically have standard diameters and are round, especially in bicycles with front derailleurs. To make it more versatile, an additional arm with a simple hole (upper extension) has been added. The seat tube clamp comprises two parts to facilitate easier installation and can accommodate various tube diameters using plastic spacers/reducer (not shown in the pictures). Three threaded holes ensure proper tightening regardless of the seat tube angle, while mounting plate and seat clamp can be adjusted with washers or spacers for a perfect fit on 68/73 or even 83mm BB shells.
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