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FSBD2 is a massive improvement in terms of lightness from the first generation of Ridea front suspension unit for Birdy bikes. It keeps all the goodies from first gen like the 360° joint system ensures for perfect alignment and protection of the front fork and it is also stiffer than the original Birdy suspension, but at 63 g it is 42% lighter than FSBD1.
| P/N | FSBD2 |
| Material | CNC alloy 7075 and carbon fiber |
| Suspension type | Polyurethane core |
| Weight | 63 g |
| Recommended rider weight limit | 100 kg |
| Alloy case colors* | black, red, gold, silver |
*More colors are available as a customization option.
This suspension block is 75% more rigid than the stock block for a sportier riding experience and a higher power transmission efficiency.
| P/N | RSBD2 |
| Casing material | CNC alloy & carbon |
| Suspension type | Polyurethane core |
| Recommended maximum rider weight | 100 kg |
| Weight | 55 g |
| Colors* | Black, red, gold, silver |
*More colors are available as a customization option.