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Designed as a direct replacement gauge for pump restoration or repair
Attaches to the rear of the bike near intersection of seatstay and chainstay
reliable shifting
steel‑disc‑protected rivets
making it ideal for riders who need a wide range of gears
CeramicSpeed BB ALPHA Bottom Bracket - English/BSA, 73mm, For 30mm Spindle, MTB, Black 1/2in Designed as a direct replacementA bottom bracket built to outlast your frame BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All
