LOCAL EXPERTS
60 Vanguard Street, Nelson, New Zealand 7010DESCRIPTION
e*thirteen Helix Core Alloy Crankset – 165 mm, 73 mm spindle (CS4HBA-104) – Forged AL-6066-T6 arms, lightweight at ~589 g, Boost/SuperBoost-ready chainline, 24 mm chromoly spindle, self-extractor bolts, cross-compatibility with SRAM® & Shimano®, adjustable chainline (52/55 mm).
-
165 mm length – optimal for balanced pedaling leverage and clearance
-
FORGED AL-6066-T6 arms with CNC weight savings
-
24 mm chromoly spindle for strength and shelf compatibility
-
Boost/SuperBoost chainlines (52/55 mm) for tire clearance flexibility
-
SRAM & Shimano compatible, with self-extracting bolts for easy service
Experience rugged reliability and refined performance with the e*thirteen Helix Core Alloy Crankset (165mm, 73 mm spindle, CS4HBA-104). Built for trail and enduro riders, this crank delivers strength, lightness, and versatility in one dependable package.
-
Material & Build: Forged AL-6066-T6 crank arms with integrated weight-reduction features and precision CNC machining keep the weight down while maintaining enduro-level toughness.
-
Spindle: A heat-treated 24 mm chromoly spindle paired with a 68/73 mm frame width ensures excellent bearing compatibility and durability.
-
Chainline Options: Achieve Boost (52 mm) or Super Boost (55 mm) chainlines with included spacers—enhancing rear tire clearance and drivetrain fit across a range of bikes.
-
Compatibility: Works flawlessly with both SRAM® and Shimano® 11/12-speed drivetrains, delivering consistent performance with high-end flip-flop Helix Race or Helix Chainrings (28–34T), sold separately
-
Ease of Maintenance: Featuring a self-extractor bolt system and a creak-free Quick Connect interface, installation and removal are clean and worry-free—providing premium functionality without the premium price tag.
-
165 mm length – optimal for balanced pedaling leverage and clearance
-
FORGED AL-6066-T6 arms with CNC weight savings
-
24 mm chromoly spindle for strength and shelf compatibility
-
Boost/SuperBoost chainlines (52/55 mm) for tire clearance flexibility
-
SRAM & Shimano compatible, with self-extracting bolts for easy service
SHIPPING & RETURN
DELIVERY
- Dispatch: Within 24 Hours
- Free shipping across all products on a minimum purchase of $100.
- International delivery time - 7-10 business days
- Cash on delivery might be available
- Easy 30 days returns and exchanges
RETURNS
If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.
REVIEWS
Recently Viewed Products
Why Rider18?
- 14 DAY RETURNSReceive a full refund with returns within 14 days
- NATIONWIDE SHIPPINGFree Shipping for orders over $100
