These are said to have to shortest reach (Suntour GPX): http://www.ebay.com/itm/Suntour-GPX-Road-Bike-Brake-Set-Front-Rear-Vintage-/150691697917?pt=Cycling_Parts_Accessories&hash=item2315ecd4fd#ht_500wt_1202
@M1chiel started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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These are said to have to shortest reach (Suntour GPX):
http://www.ebay.com/itm/Suntour-GPX-Road-Bike-Brake-Set-Front-Rear-Vintage-/150691697917?pt=Cycling_Parts_Accessories&hash=item2315ecd4fd#ht_500wt_1202