catazer Road or Mountain Bike Bicycle Front Derailleur Adjustable Braze On Adapter for Clamp 28.6mm/31.8mm/ 34.9mm - Compatible with Shimano Sram (Black,31.8mm)
- Fit seat post size: Options: 28.6mm, 31.8mm or 34.9mm. Compatible with Shimano, Sram, FSA, Campagnolo type braze on front derailleur. Simply clamp the adapter on the seat tube
- The bike adapter weighs only 40g or 1.4 oz. I will not add a lot of weight to your light-road bikes or MTBs
- The adapter is made of high-quality aluminum alloy AL6061 T6. It is also hardened by heat treatment
- The height could be adjusted to ensure a perfect gear-changing position. Please note: The side adjustment is done by the bolts on the front derailleur itself
- Made from high-quality aluminum alloy, heat-treated for strength and corrosion resistance