ethirteen Helix Race espec Direct Mount Chainring for Bosch CX/SX - 34T, 13mm Offset, Bronze S3-Size-800x40 5mm thickness providing enough padding

5mm thickness providing enough padding for you to feel comfortable even if you prefer not to wear gloves

The Josh Bryceland Signature Grip is perfect for those who prefer a softer feel with bags of omnidirectional traction

high mileage tread compound

the PRECISION 3+ PRO Powermeter provides the data you need for training and racing

Take the guesswork out of installing cables

ethirteen Helix Race espec Direct Mount Chainring for Bosch CX/SX - 34T, 13mm Offset, Bronze S3-Size-800x40 5mm thickness providing enough paddingThe ethirteen Helix Race espec Direct Mount Chainring is the ultimate premium upgrade for high performance Bosch e bike systems. Forged and CNC machined from ultralight, high strength 7075 T6 aluminum, this 34T one piece direct mount chainring features a 13mm offset to achieve perfect chainline alignment on Bosch CX Gen 4, Gen 5, and SX motors. Equipped with an updated M4 narrow wide tooth profile and finished in a striking bronze anodizing, it