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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
Cover: Microfiber
Compatibility: BR-M8120
Optimally adjusted pedal plates are noticeably positive on the first ride
elastic material
Recommended tire width: 23 - 30 mm
BB-UN300 Vierkant Innenlager - BSA Axle length:122 mm Cover: MicrofiberThe BB UN300 from Shimano is the official successor to the Shimano BB UN55 bottom bracket and now comes with the second bottom bracket cap made of steel instead of plastic, offering higher quality bearings. ABEC 3 bearings are installed instead of the previously installed ABEC 1 bearings. Shell width: 68 mm Axle widths: 107 mm, 110 mm, 113 mm, 115 mm, 117 mm, 118 mm, 122. 5 mm, 127 mm Materials: Steel (axle) Axle mount: Square taper Successor to the
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