BBB BSP-90 ShiftFix Front Mech Clamp

• The BBB BSP-90 ShiftFix Front Mech Clamp is an aluminum front derailleur clamp.

• For frame tube diameters: 31.8 and 34.9 mm.

• Weight: 25 grams (31.8 mm) and 27 grams (34.9 mm).

You’d better use the correct clamp when using it on your frame. Using the wrong size or a clamp suitable for the wrong material can damage your valuable frame permanently. Especially carbon frames are really delicate.