Wolf Tooth Aero Direct Mount 1x Chainring - 48t 4-Bolt Drop-Stop ST Compatible Shimano Dura-Ace R9200/R9200-P Only BLK

Wolf Tooth Aero Direct Mount 1x Chainring - 48t 4-Bolt Drop-Stop ST Compatible Shimano Dura-Ace R9200/R9200-P Only BLKDesigned for racing and for those looking to optimize each detail in pursuit of speed Wolf Tooth Aero Chainrings are strong lightweight and profiled to mate perfectly with your crankset for a clean integrated look. Taking advantage of 1x drivetrain systems and wider range rear cassettes Aero Chainrings for Shimano Dura Ace R9200 cranks are available in sizes to provide similar overall range to standard 2x drivetrain configurations. They feature Wolf

Proven DUB bottom bracket interface integrates into a multitude of frame options (BB not included)

Built tough to ride smooth

5 Thread Length (mm) 20 Axle Diameter (mm) 12 Over Locknut (mm) 142 Overall Length (mm) 167

Carbon fiber frame and seatstays with 6061-T6 aluminum chain stays for durability

Shimano L05A-RF Disc Brake PadsProvides 50% more wear resistance than previous model (L03A)

Includes tubeless valve and tape Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Cassette Body Type Shimano HG Valve Presta Color Black Wheel Size 27

Adjustable straps and seatpost tether for a secure fit

Ultra strong and UV stable Panduit Zip Ties

Reinforced rim spoke bed with washers for extra durability

ABS Flex hose with presta/schrader compatibility fully integrates into pump body for compact storage

BCD Direct Mount SRAM 3 Bolt BB Inclusion No Chainline 55mm Teeth 32 Crank Spindle Diameter 28

Surly Single Speed Spacer Kit comes with a selection of anodized aluminum spacers so you can get a perfect chainline to complement your road track or mountain crankset