SRAM DUB MTB Wide Spacer Kit
SRAM

SRAM DUB MTB Wide Spacer Kit

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Precision spacer kit for SRAM DUB MTB Wide cranks. Includes 5.0mm, 7.5mm and two 3.0mm spacers to fine-tune chainline and bearing preload.

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Product Details

Overview & Technology

SRAM's DUB MTB Wide Spacer Kit is a compact, purpose-built set of spacers engineered to help you achieve correct chainline and bearing preload with DUB MTB Wide crank installations. The kit includes one 5.0mm, one 7.5mm and two 3.0mm spacers (SRAM Model ID: BB-SPP-A0), giving you precise incremental options when fitting cranks to a range of frame and bottom bracket tolerances. The spacers are machined for tight tolerances and a consistent face for reliable stack-up against DUB bearings. Their small footprint (3" x 3" x 3" shipping dimensions, 0.05 lb weight) makes them an easy addition to any workshop or travel tool kit when dialing in your MTB setup.

Key Features & Benefits

Design and real-world advantages: spaced correctly, these washers eliminate unwanted lateral play, ensure correct preload on DUB bearings, and protect seals from over-compression. The included sizes give installers the ability to fine-tune spacing without needing custom shims. Benefits at a glance:• Prevents chainline issues that cause accelerated wear and drivetrain noise. • Helps achieve precise bearing preload for smoother rolling and longer life. • Small, durable spacers that are easy to swap during trial-fit procedures.

Fit & Compatibility

The kit is explicitly designed for DUB MTB Wide cranksets and SRAM DUB-compatible bottom bracket configurations. Use these spacers when your frame, crankset, or aftermarket bottom bracket requires additional stack height to set proper preload or chainline. SRAM Model ID: BB-SPP-A0; Manufacturer Part #: 11.6418.002.003; Product Number: 380594. While intended for DUB MTB Wide systems, the spacers can be used with other DUB-compatible setups where identical interface geometry is present. Always verify your frame's BB standard and crank offset before installation to avoid incorrect spacing or contact with frame features.

Who This Is For

This spacer kit is ideal for mountain riders, mechanics and shop techs who run SRAM DUB MTB Wide cranks and want the flexibility to fine-tune chainline and bearing preload without ordering custom shims. It's a small, inexpensive part that solves common fitment headaches during crank installation or after swapping frames and bottom brackets. If you're upgrading drivetrains, troubleshooting rubbing, or prepping a bike for aggressive trail or enduro use where reliable bearing performance matters, this kit gives you the incremental adjustments needed to keep the drivetrain quiet and long-lived.

Key Features

  • ✓ Includes 5.0mm, 7.5mm and two 3.0mm spacers for precise adjustments
  • ✓ Designed specifically for SRAM DUB MTB Wide crank systems
  • ✓ Machined for consistent face-to-face tolerance and stack accuracy
  • ✓ Helps set bearing preload and dial in correct chainline
  • ✓ Low-weight, compact kit fits in any tool roll or workshop drawer
  • ✓ SRAM Model ID BB-SPP-A0 — OEM-quality replacement/upgrade parts

Product Identifiers

Vendor Item # 11.6418.002.003
UPC 710845900648

Frequently Asked Questions

What spacer sizes are included in the kit?

The kit contains four spacers: one 5.0mm, one 7.5mm and two 3.0mm pieces. The combination lets you mix stack-ups to reach the exact offset required for your frame and crankset.

Are these spacers compatible with all DUB bottom brackets?

They are intended for DUB MTB Wide crank and bottom bracket systems. They'll work with other DUB setups that share the same interface geometry, but always check your BB standard and crank spindle diameter before installing.

What material are the spacers made from?

SRAM supplies these as precision-machined spacers engineered for durability and consistent thickness. They are finished to resist corrosion and provide stable stacking under preload — ideal for trail and mountain environments.

Do I need special tools to install these spacers?

No special tools are required beyond the standard tools for removing and installing a DUB crankset (torque wrench, appropriate hex or bit). Fit the spacers on the spindle in the required order and torque the crank to SRAM's specifications.

How do I know which spacer combination to use?

Trial fitting is the recommended approach: start with the minimal spacer stack, install the crank, and check chainline and lateral play. Add spacers (or swap sizes) until the bearing preload is correct and the chainline is aligned without contact or binding.

Can these spacers protect bearings from water and dirt?

While spacers don't seal the bearings, using the correct spacer stack ensures proper preload and helps maintain the bearing seal geometry. Proper installation reduces the chance of seal distortion that can admit contaminants.

Buying Guide

When buying bottom bracket spacers, identify your crankset model (here: DUB MTB Wide), frame BB standard, and desired chainline. Choose spacer thicknesses that let you remove lateral play while keeping bearing preload within manufacturer recommendations. Packs like SRAM's BB-SPP-A0 are compact and convenient for iterative installs. If you're unsure which combination you need, bring the bike and crank to a mechanic for a trial fit. Small spacers are inexpensive but critical — the right stack prevents drivetrain noise and extends bearing life.

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