Garmin Tacx Axle Nut 3/8" (Set of 2)
Garmin

Garmin Tacx Axle Nut 3/8" (Set of 2)

$19.99
In Stock

OEM Tacx/Garmin 3/8" axle nut set (2) — precision steel construction with corrosion-resistant finish for secure, slip-free mounting on bolt-on trainer axles.

Add to Cart
🚚 Fast Shipping 🔒 Secure Checkout ↩ Easy Returns

Product Details

Overview & Technology

Tacx Axle Nut 3/8\" (Set of 2) is an OEM replacement part (Garmin/Tacx part #: T1416) engineered to secure bolt-on rear axles in indoor trainers. Each nut is precision-machined to tight tolerances so your wheel seats solidly against the trainer mounting surface, eliminating play and slippage during intervals and high-power efforts. The nuts are manufactured from hardened steel and finished with a corrosion-resistant coating for long service life in humid training environments. Their compact shipping dimensions (2.4" x 2.1" x 0.9") and low weight (0.1 lb) make them a simple, no-fuss spare to keep in your trainer kit.

Key Features

Purpose-built for trainers: Designed specifically as a replacement for Tacx trainers and other bolt-on trainer setups that use a 3/8" axle nut. These nuts restore a secure, factory-fit connection when the originals are lost, damaged or corroded. What you get and why it matters: • Set of 2 — one for each side of a bolt-on axle or as a spare. • 3/8" size — matches common bolt-on trainer axles and many bicycle hubs that use 3/8" nuts. • Hardened steel construction — resists deformation under clamping loads. • Corrosion-resistant finish — protects from sweat and indoor humidity. • OEM part T1416 — guaranteed fit for Tacx/ Garmin replacement needs.

Fit & Compatibility

These axle nuts work with trainers and bolt-on rear axles that require a 3/8" nut. They are ideal for Tacx trainers and any bolt-on hub with a matching diameter and thread form. Before purchasing, verify that your trainer or hub uses a standard 3/8" nut rather than a skewer, adapter, or thru-axle system. Installation tips: • Use a correctly sized wrench to tighten until the wheel is firmly seated against the trainer end cap. • Avoid excessive torque — tighten securely but do not over-stress threads; consult your trainer manual for any torque specs. • Install with original washers or spacers if your trainer uses them to maintain correct axle spacing and alignment.

Who It's For

This simple, high-quality replacement is for indoor training riders and bike mechanics who need a reliable, OEM-compatible fastener for bolt-on trainer setups. If you lost the original nuts, your trainer came with worn or corroded hardware, or you want a spare set for travel and remote training sessions, this part keeps your setup stable and predictable. Road cyclists and indoor endurance athletes who rely on consistent wheel position during steady-state efforts and sprints will appreciate the secure fit and durable construction. Bike shops and coaches who service multiple trainers also benefit from keeping these OEM nuts on hand for quick repairs.

Key Features

  • ✓ OEM Garmin/Tacx replacement — Part #: T1416
  • ✓ Set of two 3/8" axle nuts for bolt-on trainer axles
  • ✓ Hardened steel construction for strength and durability
  • ✓ Corrosion-resistant finish protects against indoor humidity
  • ✓ Precision-machined for a secure, slip-free wheel fit
  • ✓ Compact, lightweight spare — ideal for travel or trainer bags
  • ✓ Direct replacement for lost or damaged trainer hardware

Specifications

Misc T1416 Axle nut 3/8'' (set of 2)

Product Identifiers

Vendor Item # T1416
EAN 8714895002859

Frequently Asked Questions

Are these the correct replacement nuts for my Tacx trainer?

If your Tacx trainer (or adapter) specifies 3/8" axle nuts or lists part number T1416, these are the correct OEM replacements. Check your trainer manual or the hardware that came with your unit to confirm size and part number before ordering.

Can I use these nuts on a bicycle wheel instead of a skewer?

Yes — but only for bolt-on hubs that accept 3/8" nuts. These are not a substitute for quick-release skewers or thru-axles. Make sure the hub thread and diameter match the nut. If your bike uses a thru-axle or QR, this nut will not fit those systems.

How tight should I torque these axle nuts?

Tighten the nut until the wheel is firmly seated and there is no play between the axle and trainer end cap. Avoid excessive torque that could damage threads or distort the axle — when in doubt, consult your trainer or bike manufacturer manual for recommended torque values.

What are the nuts made from and how long will they last?

These nuts are made from hardened steel with a corrosion-resistant finish to handle repeated clamping and indoor humidity. Lifespan depends on use and exposure to sweat or moisture, but the protective coating and durable steel provide long service life under normal indoor training conditions.

Do these nuts come with washers or spacers?

The set includes two axle nuts only. If your trainer uses washers or spacers, reuse the originals or purchase compatible replacement washers separately to maintain correct axle spacing and alignment.

Can I buy a single nut if I only need one?

This product is sold as a set of two. If you only need one nut, consider keeping the spare as a backup — they’re small, inexpensive insurance against future loss or damage.

Buying Guide

When buying replacement axle nuts for trainers, always confirm the diameter (3/8\") and thread form to ensure a proper fit. OEM parts like the Tacx T1416 give you confidence in compatibility and build quality compared with generic hardware. Choose hardened steel with a corrosion-resistant finish for indoor use, and keep a spare set on hand. If your trainer uses washers or spacers, be sure to reuse or replace those too — correct spacing and alignment are key to stable, repeatable trainer setup.

Ready to order?

Shop with confidence at Scenders — premium cycling parts, fast shipping.

View Full Product