SRAM Apex 1 Wide 12-Speed 1x 40T DUB Crankset

The SRAM Apex 1 Wide is a 12-speed single-ring crankset with a 40T direct-mount X-SYNC ring on a SRAM DUB spindle. Its wide chainline makes room for bigger tires, which is why it shows up on gravel and adventure bikes as well as mountain builds.

Arms are aluminum and come in 160, 165, 170, 172.5 and 175mm, so riders across a broad size range can get the right length. SRAM lists compatibility with 135mm, 142mm and Boost rear spacing. The DUB bottom bracket is sold separately.

Who It's For

• Gravel and adventure riders running SRAM 12-speed 1x with wide tires
• Mountain riders on 135, 142 or Boost frames who want a simple aluminum 1x crank
• Shorter riders who need a 160mm or 165mm option
• Consider a different crank if your frame uses a GXP or non-DUB bottom bracket, or you need a 2x setup

What to Look For

• Spindle interface: SRAM DUB — pair with a DUB bottom bracket for your frame (sold separately).
• Rear spacing: SRAM lists 135mm, 142mm and Boost compatibility; the wide chainline is meant for big gravel tires.
• Crank length: choose from 160, 165, 170, 172.5 or 175mm; all use the 40T ring.

Key Features

Aluminum arms. Aluminum keeps the crank durable and affordable for riders who'd rather spend on tires or wheels.

DUB spindle. SRAM describes a longer DUB spindle that works with both road and MTB width bottom bracket standards, which broadens frame compatibility across brands.

Direct-mount 40T X-SYNC ring. The aluminum ring mounts directly to the crank, and X-SYNC's wide-tooth/narrow-tooth profile manages the chain without a front derailleur.

Wide chainline. Designed to clear the biggest gravel tires, with 135, 142 and Boost rear spacing listed as compatible.

Five lengths, black. 160 to 175mm with 9/16" pedal threads.

Rider Intent Summary

• Biggest strengths: Wide chainline for tire clearance, DUB fitment across frame widths, and five arm lengths.
• Tradeoffs: Aluminum arms are heavier than carbon; 12-speed 1x only; bottom bracket extra.
• What makes it different: It's SRAM's wide-chainline Apex 1x crank that bridges gravel and mountain frames.

Victory's Take

We like the Apex 1 Wide for gravel builds running big tires, and at Victory Bicycle Studio we'll confirm your DUB bottom bracket and length first.

Specifications

• Brand: SRAM
• Model: Apex 1 Wide
• Crank lengths: 160, 165, 170, 172.5, 175mm
• Drivetrain speeds: 12
• Chainring: 40T X-SYNC, direct mount, chain-retaining single
• Spindle interface: SRAM DUB
• Rear spacing: 135mm, 142mm, Boost
• Arm material: Aluminum
• Intended use: Gravel, mountain
• Pedal thread: 9/16"
• Bottom bracket: Not included
• Color: Black
• Part numbers: 00.6118.672.005 (160mm), .006 (165mm), .007 (170mm), .008 (172.5mm), .009 (175mm)