Free SF Express shipping for purchases over HK$800 on this official website in Hong Kong and Macau ***Excludes products weighing more than 5 kg or with the longest side exceeding 60cm***

Free shipping in Hong Kong when spending HKD2,000 or above! !

E13 Helix R Guidering chainrings
Helix R Guidering chainrings are lightweight yet durable AL-7075-t6 chainrings. Using CNC'D technology. Color to match Helix Cassette. Integrates with chain, drivetrain/derailleur without changing chain quality. Using AL-7075-T6 material provides the lightest, longest wear life sprockets without compromising strength, bend resistance or service life.

‖Product Features‖
+3-bolt direct mount design, compatible with SRAM™ 3-bolt direct mount cranks
+Using AL-7075-T6 material, which has the highest strength and wear resistance
+Compatible with SRAM™ and Shimano™ 11 and 12 speed chains
+Using CNC processing technology to make the gear chain lighter (32t=52g)
+Color matches HELIX R Cassettes, Plus 35 Stems and Quick Fill Plasma Valves

Chain retention: The latest G4 narrow wide tooth design improves retention, reduces chain sound and reduces system wear.
Chainline: 3mm offset from mounting surface, suitable for 3-bolt applications Compatible with: Helix R 3-Bolt Direct Mount SRAM™ 3-Bolt Direct Mount Crank Material: AL-7075-T6 Aluminum Alloy Weight: 30T: 50g; 32T: 52g.
Maintenance: 5 years