RIDEA 2/4 Speed Chain Tensioner for Brompton Folding Bike


2 in stock


Ridea pulley wheels for Brompton folding bike.  Ridea BCT2 is the definitive Brompton chain tensioner. Compatible with 1, 2 or 4 rear sprockets, this CNC alloy chain tensioner offers smooth speed changes in just 114 grams.  Although BCT2 is compatible with original Brompton pulleys, Ridea offers the high quality BCT2P (40g) pulley wheels (sold separately) for those who wants to ride the legendary smooth Ridea pulleys.  Weight: 114g (+/-2g).  PESBCT2PA