![Nuovo Shimano BB-UN55 MTB Road Bike staffa inferiore quadrata conico 68 mm - Dimensioni multiple | eBay Nuovo Shimano BB-UN55 MTB Road Bike staffa inferiore quadrata conico 68 mm - Dimensioni multiple | eBay](https://i.ebayimg.com/images/g/DKkAAOSwpIdW7aza/s-l500.jpg)
Nuovo Shimano BB-UN55 MTB Road Bike staffa inferiore quadrata conico 68 mm - Dimensioni multiple | eBay
![SHIMANO UN55 68x107 Bottom Bracket | £29.99 | Bottom Brackets | Bottom Brackets | On Yer Bike Cycles SHIMANO UN55 68x107 Bottom Bracket | £29.99 | Bottom Brackets | Bottom Brackets | On Yer Bike Cycles](https://www.onyerbike.com/smsimg/32/18039-64255-main-cc-32.jpg)
SHIMANO UN55 68x107 Bottom Bracket | £29.99 | Bottom Brackets | Bottom Brackets | On Yer Bike Cycles
![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 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](https://preview.redd.it/0rebayvg94851.jpg?width=640&crop=smart&auto=webp&s=2214088adb5fc8fa4040e00baa4f34208a1f8053)
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
![Shimano BB-UN55 - Movimento centrale BB-UN55, 68 x 115 mm, a perno quadro : Amazon.it: Sport e tempo libero Shimano BB-UN55 - Movimento centrale BB-UN55, 68 x 115 mm, a perno quadro : Amazon.it: Sport e tempo libero](https://m.media-amazon.com/images/I/51nKnRFTn6L._AC_SL1000_.jpg)