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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Whether you’re clocking up daily kilometres
The 2026 CS4045 has wider wheels and is lighter than the first generation
efficient bikes
Max Tire Clearance: 35mm
Top Backsweep: 3°
e*thirteen Helix Core e*spec Chainring Variant:TQ HPR50 Whether you’re clocking up dailyHelix Core e*spec Direct Mount Chainrings feature our narrow wide tooth profile, for reliable chain retention and an extra long wear life. Helix Core e*spec rings are cold formed from steel and then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet. Features Long lasting and economical steel construction. M4 narrow wide tooth profile for excellent chain retention and Shimano SRAM drivetrain
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