The Brompton Chainwheel Guard Disc. Choose from 44, 50 or 54 tooth chainwheel sizes. These are for the spider chainsets which were introduced in 2013.
Brompton Chain Ring Guard Pre 2013 50T/54T Vintage Retro Spiderless, SPW Prints
Brompton Chain Ring Guard For Spider Crankset 50T/54T C-Line SPW Prints
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Hope Bash Guard 104 BCD 36T 38T Plate Ring Aluminium Gunsmoke Chain Ring Cover
Hope Bash Guard 104 BCD 32T 34T Plate Ring Aluminium Chain Ring Cover
Ethirteen E.13 Bash Ring Chain Ring Rock Guard 104 BCD 44T 200mm Sku2174
