FSA Chainring Bolt Kit for Single Speed/BMX 10-piece Model=Wera 838 RA-R Bitholding Ratcheting Screwdriver Compatible with Presta valve stems

Compatible with Presta valve stems only and adds 30mm to valve length

174mm Q-Factor / 44mm Chainline Rings 52/36 Number of Chainrings Double Drivetrain Speeds 12 Chainring BCD 90 Chainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm Chainstay Color Black Crank Length (mm) 175 Crank Intended Use Gravel Weight 650 BB Included No Pedal Spindle 9/16" Spindle Interface Type 386 EVO Defined Color Black Crank Length 175Mm Chainring Size 52/36T

the 34/37 Turbulent Aero

Composite base with over-molded and contoured (end/center-bulged) foam for lightweight comfort and control

Dial it in with redesigned Low Speed Compression adjustment offering three options to find your perfect match to seize the day

FSA Chainring Bolt Kit for Single Speed/BMX 10-piece Model=Wera 838 RA-R Bitholding Ratcheting Screwdriver Compatible with Presta valve stemsFSA Crank Arm Fixing Bolts