Planet Bike Spok Headlight/Taillight Set CheckoutTitle=SRAM Rival Crank Arm Assembly - 170mm Here are instructions on how

Here are instructions on how to measure your BCD

Materials: 37% Merino Wool

Color Black Rings 34 Number of Chainrings Chain Retaining Single Crank Length (mm) 175 Crank Intended Use Mountain Drivetrain Speeds 12 BB Included No Pedal Spindle 9/16" Spindle Interface Type SRAM DUB Chainring BCD Direct Mount SRAM Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Black keyword search 55mm Chainline

and precise fit

Planet Bike Spok Headlight/Taillight Set CheckoutTitle=SRAM Rival Crank Arm Assembly - 170mm Here are instructions on howImproved optics and LED technology provides visibility up to 1 mile. Fast mounting rubber strap allows light to be easily mounted just about anywhere. Hooded beam keeps light out of the cyclists eyes. Up to 100 hour run time depending on usage. 20 Lumens TECH SPECS Vendor Planet bike Manufacture Number 3057 Model Name Spok Micro Combo Category Lights