Ultegra BBR60 68mm Shell 11Womens-Fitness-Tops11 Plush foam sockliner for increased

Plush foam sockliner for increased underfoot comfort

More environmentally conscious material with unique EVA foam that contains more than 60% sustainably grown sugarcane resin

durability and fit that never rests

Adapts a thru axle hub bike for a Saris bike trainer

this translates to the most supportive in the ultra-distance trail running range

Ultegra BBR60 68mm Shell 11Womens-Fitness-Tops11 Plush foam sockliner for increasedShimano Ultegra Bottom Bracket Threaded HOLLOWTECH II 68mm shell width. With reliable SHIMANO bearings and seals. A high quality bottom bracket with a long service life. Model Number: SM BBR60 Shimano 105 5800 Series Average weight 77g Threaded Hollowtech II bottom bracket Threaded bottom bracket shell width: 68mm Small ball bearing