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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
Model Helix TR25 Size 27
Super strong glass-filled nylon composite fittings and top tube internals enable smooth rotation and secure positioning
SIDI cycling shoes include a replaceable polyurethane heel pad designed for good walkability Shoe Size (EU) 42
142mm thru axle
CeramicSpeed BB ALPHA Bottom Bracket - English/BSA 73mm For 30mm Spindle MTB BLK eTap HRD Model Helix TR25 Size 27A 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
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