In 2020, we have completely redesigned our rear suspension block for Birdy bikes. The new RSBD2 suspension block is 75% more rigid than the stock block for a sportier riding experience and a higher power transmission efficiency.
Model name: Ridea RSBD2
Casing material: CNC alloy & carbon
Suspension type: polyurethane core
Recommended maximum rider weight: 100 kg
Weight: 63 g
Colors: black, red