e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount 15mm Offset 34T 11/12 Speed Silver CheckoutSpec= (PM) F-200/240mm High efficiency Single Action stroke

High efficiency Single Action stroke fills tires fast

6805 bearing size is used with Shimano

Proprietary Hexatude™ hex-shaped aluminum tubing ensures low flex and no rotation

}MRP Progressive Rear Shock Coil Spring 129mm Long 65mm Maximum Stroke 450+ Pound Spring Weight

model Float X2 Factory stroke 57

e*thirteen Helix Race e*spec Chainring - Bosch SX / Gen4 CX Direct Mount 15mm Offset 34T 11/12 Speed Silver CheckoutSpec= (PM) F-200/240mm High efficiency Single Action strokee*thirteen Helix Race e*spec Chainring Bosch SX Gen4 CX Direct Mount 15mm Offset 34T 11 12 Speed Silver. Helix 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