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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Saddle: SDG Bel Air 3 or ANVL Forge Cromo
SB20: 20mm clamp offset features an alloy two bolt Side-By-Side (SBS) head for added security
Measuring left-side power to calculate total watts
Formerly the Z410 model
E*thirteen Helix R e*spec C-ring Bosch SX/Gen4 CX 34t -Black ModelNumber=J2858 Saddle: SDG Bel Air 3Helix Race e*spec Chainrings merge cutting edge design and performance. Designed for Bosch SX and Gen 4 CX equipped e bikes this 1pc direct mount chainring is forged from 7075 AL for lightweight durability impressive stiffness and a standout technical aesthetic. Its custom metal dust cover enhances style and minimizes seal and lockring contamination. The new M4 narrow wide profile delivers enhanced chain retention and cross compatibility with Shimano
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