SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring EVA foam Stroke (mm) 65 Metric Yes

Stroke (mm) 65 Metric Yes Lockout Switch Climb Switch Eyelet Diameter (mm) 15 External Adjustments High Speed Compression Damping External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping Positive Spring Air Eye to eye length (mm) 230

Rings 50/37Number of Chainrings DoubleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor CarbonCrank Length (mm) 165Crank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Carbon

Fits even the biggest phones like iPhone 14

Durable enough for Gravel and Cyclocross

SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring EVA foam Stroke (mm) 65 Metric YesSRAM Truvativ X0 X9 39T 120mm BB30 Chainring. Original equipment on SRAM and Truvativ cranks they also work well with other drive trains. Supplied in TruVativ packaging TECH SPECS Tooth Count 39 Ring Position Type Outer Drivetrain Speeds 10 Chainring BCD 120 Color Black Defined Color Black Material Aluminum