Full Review: ZEB Select+ Suspension Fork Performance and Durability

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The ZEB Select+ from RockShox is a high-performance suspension fork designed to meet the demands of aggressive trail riders and enduro enthusiasts. Offering a blend of precision engineering, durability, and adjustability, the ZEB Select+ is a popular choice among riders seeking optimal control in rough and challenging terrains. This guide covers all aspects of the ZEB Select+ suspension fork, including installation, maintenance, troubleshooting, and customization, ensuring riders get the best performance out of this component.

Installation of the ZEB Select+ Suspension Fork

Installing the ZEB Select+ suspension fork requires precise steps to ensure proper alignment and functionality. Below is a step-by-step guide to help you through the process.

Tools Required

  • 5mm, 6mm, and 8mm Allen wrenches [paid link]
  • Torque wrench [paid link] (up to 60 Nm)
  • Suspension fork oil (appropriate for ZEB Select+ model)
  • 10mm socket wrench
  • A soft mallet
  • Cable ties (for neat cable routing)
  • 15mm through-axle or QR tool (depending on your bike’s fork mount)

Installation Steps

  1. Remove the old fork: If you’re replacing an existing fork, carefully remove it by loosening the headset cap and stem bolts with the appropriate Allen wrenches [paid link]. Slide the old fork out of the head tube.
  2. Prepare the new fork: Before installing the ZEB Select+, check that the fork’s steerer tube is the correct length for your bike. Trim it if necessary, but make sure it leaves enough room for the headset and stem.
  3. Install the headset: Place the headset bearings into the frame’s head tube, ensuring they are aligned correctly. Apply grease to the bearing surfaces to prevent seizing and wear.
  4. Install the ZEB Select+ into the head tube: Slide the steerer tube of the fork into the head tube. Secure it by aligning the fork with the headset and tightening the stem bolts. Use a torque wrench [paid link] to tighten the bolts to the manufacturer’s recommended settings.
  5. Attach the brake and axle: Depending on your bike’s setup, install the appropriate brake mounts. Insert the through-axle or quick-release (QR) axle into the fork’s dropouts. Ensure it is secure by tightening it with the proper tool.
  6. Adjust the fork settings: Once installed, adjust the air pressure in the fork according to your weight and riding style. Set the rebound and compression dampening to your preferred settings.
  7. Test the fork: Perform a test ride to ensure everything is working smoothly. Check for any noise or unusual movements that may indicate installation issues.

Adjustment and Maintenance of the ZEB Select+ Suspension Fork

The ZEB Select+ is highly customizable, allowing riders to fine-tune the fork to their specific needs. Regular maintenance is crucial to ensure smooth operation and to extend the lifespan of the fork.

Fork Adjustments

  1. Air Pressure: The ZEB Select+ uses an air spring, so adjusting the air pressure is key to achieving optimal performance. The correct pressure depends on rider weight and riding style. To adjust, use a high-quality shock pump to add or remove air from the air spring until you achieve the recommended sag (typically 25-30% of travel).
  2. Rebound Damping: The rebound control knob on the ZEB Select+ adjusts the speed at which the fork returns after compressing. Turn it clockwise to slow down the rebound and counterclockwise to speed it up. Fine-tuning this setting will help maintain stability during aggressive descents.
  3. Compression Damping: The ZEB Select+ features a high and low-speed compression adjustment. Use the high-speed knob to adjust the fork’s response to sudden impacts, while the low-speed knob helps fine-tune the fork’s performance on smoother terrain. Start with a neutral setting and adjust according to the terrain you’ll be riding.

Fork Maintenance

  1. Regular Cleaning: After each ride, wipe down the fork with a clean cloth to remove dirt and debris. Pay special attention to the stanchions to prevent dirt from entering the fork’s seals.
  2. Lubrication: The ZEB Select+ fork uses a lubrication system that should be maintained regularly. Apply appropriate suspension fluid to the fork’s seals and stanchions every 20-30 hours of riding to ensure smooth movement.
  3. Seal Inspection: Inspect the fork seals regularly for wear and tear. If you notice any leaking oil or performance degradation, it may be time to replace the seals. Seals should be replaced at least once a year, depending on usage.
  4. Suspension Fluid Change: Changing the suspension fluid is crucial to maintaining damping performance. Typically, you should change the fluid every 50-100 hours of riding, depending on how aggressive the riding is.
  5. Fork Overhaul: Every 100-150 hours of use, a full overhaul may be necessary. This involves disassembling the fork, inspecting internal components, and replacing any worn-out parts.

Troubleshooting Common Set-Up Issues

Even the best suspension forks can encounter issues during setup or after some use. Here are some common problems with the ZEB Select+ and how to address them.

1. Fork Bottoming Out

  • Cause: Insufficient air pressure in the fork.
  • Solution: Check the air pressure and adjust it according to your rider weight and sag settings. If bottoming out persists, consider adding more air or adjusting the compression damping.

2. Excessive Fork Dive

  • Cause: Too little compression damping or too much air pressure.
  • Solution: Increase compression damping or lower the air pressure. Check the settings based on riding conditions.

3. Fork Stiction (Sticky Movement)

  • Cause: Dirt or debris in the fork seals.
  • Solution: Clean the seals with a clean rag and apply fresh lubricant. If stiction persists, inspect the seals for damage and replace them if necessary.

4. Rebound Too Slow or Fast

  • Cause: Incorrect rebound settings.
  • Solution: Adjust the rebound knob to suit the terrain and your riding style. Test the fork after each adjustment to find the ideal setting.

Customization and Optimization for Better Performance

The ZEB Select+ suspension fork is designed to be highly adjustable, allowing riders to customize it for various types of riding. To get the most out of your fork, consider the following optimizations:

  1. Adjust Air Pressure for Different Conditions: For aggressive riding, you might want slightly higher air pressure to prevent bottoming out, while lighter riders or smoother conditions may benefit from lower pressures for a more supple ride.
  2. Tune the Compression Damping: When riding on smoother trails, dial back the compression damping to maintain comfort and traction. On rough, technical trails, increase the compression damping to enhance control and prevent the fork from diving too deep into its travel.
  3. Upgrade to Better Seals: If you regularly ride in wet or muddy conditions, consider upgrading to high-performance seals that can better handle harsh environments.
  4. Consider a Remote Lockout: If you ride on mixed terrain and prefer to lock the fork out for climbing, consider installing a remote lockout lever. This allows you to lock the fork from the handlebars for more efficient pedaling on smooth climbs.

Comparison with Similar Models

When compared to other high-end suspension forks in its category, the ZEB Select+ stands out for its robust design, smooth performance, and ease of customization. However, here’s how it compares with other forks like the Fox 38 and the Marzocchi Bomber Z1 [paid link]:

  • ZEB Select+ vs. Fox 38: The ZEB Select+ offers a slightly more affordable option while maintaining similar levels of performance, making it an excellent choice for riders on a budget. The Fox 38, however, is known for its superior high-speed compression damping and is slightly lighter.
  • ZEB Select+ vs. Marzocchi Bomber Z1 [paid link]: The ZEB Select+ offers better adjustability and a more refined damper system compared to the Marzocchi Z1, making it a better choice for riders who need more tuning options.

Compatibility with Other Drivetrain Components

The ZEB Select+ suspension fork is designed to work with a wide range of bike frames and drivetrain components. It is compatible with both 27.5” and 29” wheels, and it’s important to ensure that the fork’s axle type (through-axle or QR) matches your frame. Additionally, the ZEB Select+ integrates well with most modern hydraulic disc brakes, although you should verify rotor size compatibility before installation.

While it doesn’t specifically affect drivetrain compatibility, the fork’s performance can indirectly influence how well your bike handles and shifts, particularly in technical sections. The smoother your suspension, the better the control over your bike’s geometry and handling, which impacts the drivetrain’s efficiency.