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77mm asymmetric cup T47a bottom bracket. T47a is a threaded bottom bracket shell design, using the oversized right hand interface, but with the benefit and peace of mind of a threaded bottom bracket. Compatible frames feature an asymmetric bottom bracket shell width of 77mm, placing the non-drive side bearing inside the frame and the drive side bearing outside. Fitted with precision dust covers for a snug and secure installation that also fully protects the bearing surface while delivering outstanding performance.
- 2 CeramicSpeed bearing cups and dust seals
- 2-piece spacer tube
- CeramicSpeed Universal Grease Pack
Installation Tool: CeramicSpeed Dual Socket Tool T45/T47 16 Notches 52.2mm Diameter Tool Cup
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