Shimano BB-UN55 Square taper Bottom Bracket 73 x 118mm
Shimano BB-UN55 bottom bracket British thread (68mm)
Shimano BB-UN300 - Lincoln Avenue Cycling - Goshen, IN
Shimano UN55 Square Taper Bottom Bracket | Tree Fort Bikes
Shimano BB-UN55 Bottom Bracket 68 x 107mm - BSA (English) - JIS Square Taper | eBay
Shimano UN55 Square Taper Bottom Bracket - BikePartners Bike Shop
BB-UN55 | SHIMANO BIKE-EU
What is the difference between this Shimano BB-UN50 and the BB-UN55 ? The former is hard to find for sale, the latter seems to be found everywhere : r/bikewrench
Information regarding UN300 and UN100 (new Shimano Bottom Brackets) - Bicycles Stack Exchange
NEW SHIMANO BB-UN55 70 x 113mm Square Taper Bottom Bracket Italian 36 x 24 tpi | eBay