NOS Shimano 105 #BR-1050 single pivot rear brake caliper from 1988 devos-sport but its 52 cm /

but its 52 cm / es gibt einen "55" Sticker

Top and down tube are bent | see pictures

therefore shows coresponding signs /

Wheel is a take-off from a new Bike and has Lateral- and Radial Runout | it came like this from the Supplier | Some signs from disassembling |  see pictures

Steer tube / Gabelschaft:170 mmThread length / Gewindelänge41 mmThread / Gewinde:25

NOS Shimano 105 #BR-1050 single pivot rear brake caliper from 1988 devos-sport but its 52 cm /Weight Gewicht : 112 gReach Reichweite : 39 mm 49 mmMounting Befestigung : Sleeve nut HlsenmutterCondition Zustand: New old stock (NOS), see pictures Neue alte Lagerware, siehe BilderProduction period Produktionszeitraum : end of 1980s ende 1980erPlease note Bitte beachten : Without sleeve nut and brake shoes Ohne Hlsenmutter und ohne Bremsschuhe Credit: Exploded drawing spare part list found on si. shimano. com manual search Explosionszeichnung