Specialized Tarmac SL7 Seatpost Wedge Clamp

No, this specific wedge clamp is engineered exclusively for the Specialized Tarmac SL7 frame. It is not compatible with other Tarmac generations or different Specialized models.

You will need a standard 4mm hex key to adjust the top-access bolt. It is a straightforward process, but always ensure you have the correct tool size to avoid stripping the bolt head.

The maximum torque specification for this wedge clamp is 6.2 Nm. We strongly recommend using a calibrated torque wrench to hit this exact figure, as over-tightening can damage the carbon frame or the seatpost.

Using an OEM part ensures the exact tolerances and material specifications required for the Tarmac SL7's integrated seatpost system. Aftermarket clamps often lack the precise fit needed to prevent slippage or frame damage, making the original component the safest choice for your bike's longevity.

You should consider a replacement if you notice the seatpost slipping despite being torqued to the correct specification, or if the bolt head shows signs of rounding or corrosion. If the wedge mechanism itself feels gritty or fails to hold tension consistently, it is time for a fresh unit.