Feature(may vary by option.)

●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.
●Use Aluminum alloy

[Sliver 31.8mm]

[Black 31.8mm]

Description

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.