Full Speed Ahead Gossamer Pro MegaTooth Chainring - 40t 110 Full Speed Ahead ABS BCD 4-Bolt Aluminum For 1 x 11-Speed BLK Description-Premium Edge Bleed Kit Set }Wheels Manufacturing BB30A Outboard Bottom

}Wheels Manufacturing BB30A Outboard Bottom Bracket for 22/24mm cranks (SRAM) with Angular Contact Bearings Black

Thick thin tooth design for maximum chain engagement

Tooth Count 38 Ring Position/Type Chain Retaining Single Ring Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Color Black Defined Color Black Material Aluminum

100% Surly 4130 chromoly frame main triangle is double-butted

8mm rise +/-6 deg length 90mm color black

Full Speed Ahead Gossamer Pro MegaTooth Chainring - 40t 110 Full Speed Ahead ABS BCD 4-Bolt Aluminum For 1 x 11-Speed BLK Description-Premium Edge Bleed Kit Set }Wheels Manufacturing BB30A Outboard BottomFull Speed Ahead Gossamer Pro MegaTooth Chainring 40t 110 Full Speed Ahead ABS BCD 4 Bolt Aluminum For 1 x 11 Speed Black. Full Speed Ahead Gossamer Pro MegaTooth ABS Chainrings are designed for use with 1x Gossamer road cranksets and offer excellent chain retention. Megatooth chainring technology provides exceptional chain security TECH SPECS Chainring BCD 110 FSA ABS Color Black Defined Color Black Drivetrain Speeds 11 Material Aluminum Ring