e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T SINC ceramic hub bearings are

SINC ceramic hub bearings are engineered with optimum bearing clearance for minimum friction

}SRAM XX Ebike Crank Arm Set - 170mm ISIS Black

Tire Diameter/ISO 700C/622 Labeled Size 700x40C Tire Width Range 39 - 50 Tire Type Tubeless Ready Primary Color Black Bead Folding Tire Width 40C Tubeless Technology Tubeless Ready

thinner aluminum platform for Trail or DH use

Primary Color Green Color Green Size L Gender Unisex

e*thirteen Helix Race 8-Bolt Chainring - 11/12-Speed 3mm Offset 8-Bolt Direct Mount Size:30T SINC ceramic hub bearings areHelix Race 8 Bolt Chainrings are an update to any 8 bolt drivetrain. Exquisitely machined from 7075 AL they're stiff and durable and provide a significant weight reduction over competitors. A unique four bolt locking interface reduces assembly weight while improving longevity and ease of assembly and maintenance. Featuring e*thirteen's M4 narrow wide tooth profile they deliver excellent chain retention long wear life and cross compatibility. Helix