Titanium spring with titanium bolt. - Weight: 44g.
ReachMall Rear Shock Absorber Hardened-TPU Aluminium Alloy Lightweight For Brompton P T G Line Folding Bike Rear Suspension Upgrade
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Helilyco for BROMPTON Pline Rear Shock Absorber, Hardened for TPU Suspension Folding for Bike, Lightweight 64.1g Black Damper
Helilyco for Brompton Pline Folding for Bike Rear Suspension Shock, for TPU Absorber Enhanced Comfort, Precise Black Component 5.35x5x5.85cm
ReachMall Lightweight Rear Shock Absorber Aluminium Alloy 13.5mm Travel Anti-Rust For Brompton Folding Bike Suspension Upgrade Black