Description

Axle Kit – No 11: Genuine BMC Thru Axle Replacement for URS Gravel Bikes – Complete Guide

If you own a BMC URS gravel or adventure bike from the Gen 2 series, you know how critical every component is to performance, safety, and that smooth, reliable ride on rough terrain. One often-overlooked but essential part is the thru axle system. When your original axles wear out, get damaged, or simply need replacing after thousands of kilometers, the Axle Kit – No 11 is the official OEM solution designed specifically for your bike.

Thru Axle Kit – No 2

This comprehensive blog post dives deep into everything you need to know about the Axle Kit – No 11. From exact specifications and compatibility to step-by-step installation tips, maintenance advice, and why genuine BMC parts outperform aftermarket alternatives, we cover it all. Whether you’re a weekend gravel rider, bikepacker, or serious adventurer, this guide will help you keep your BMC URS rolling perfectly.

What Is the Axle Kit – No 11 and Why Does It Matter?

The Axle Kit – No 11 is a genuine BMC replacement thru-axle set engineered for modern disc brake gravel bikes. It includes both the front and rear axles, providing a complete drop-in solution that restores factory-level performance and safety.

Unlike generic thru axles sold online, this kit is precision-manufactured to BMC’s strict tolerances. It ensures perfect wheel alignment, secure brake rotor positioning, and optimal stiffness for confident cornering and powerful braking on loose gravel, mud, or pavement.

Key specifications include:

• Front axle: CTS1047 model, 127.5mm length
• Rear axle: CTS0891 model, 167mm length
• Standard sizing: 12x100mm front and 12x142mm rear – the industry standard for most modern gravel and MTB wheels
• Finish: Sleek black anodized for corrosion resistance and a premium look
• SKU: 30006318

Priced affordably at around $49 USD / CHF 49, this kit delivers exceptional value because it’s built to last and matches the original equipment exactly.

Products – Page 6 – BMC USA Corporation

Perfect Compatibility: Which BMC URS Models Use the Axle Kit – No 11?

BMC designed the Axle Kit – No 11 specifically for the URS family of gravel and adventure bikes starting from model year 2024 onward. It fits the following frames without any modifications:

• URS 01 Gen 2
• URS Gen 2
• URS 01 LT Gen 2
• URS LT Gen 2
• URS AMP (electric-assist models)

These bikes are BMC’s flagship “Unrestricted” gravel lineup, famous for their compliant frames, generous tire clearance (up to 700x45mm or wider), and versatile geometry that shines on everything from fast group rides to multi-day bikepacking trips. The LT and AMP variants add suspension forks or full-suspension capability, making the precise axle fit even more important for maintaining suspension kinematics and handling.

If you’re unsure about your exact model year, check the frame’s serial number or head tube badge – or simply contact your local BMC dealer. Using the wrong axle can lead to poor wheel security, brake rub, or even frame damage.

Why Choose Genuine BMC Axle Kit – No 11 Over Cheap Alternatives?

Gravel riding puts enormous stress on thru axles. They endure constant vibration, mud, water, and high torque from disc brakes. Here’s why the official Axle Kit – No 11 stands out:

1. Exact Fit and Safety – Thread pitch, length, and shoulder diameters are machined to BMC’s factory specs. No guessing, no shims, no risk of the wheel walking out under load.
2. Superior Durability – High-grade aluminum construction with precision threading resists stripping and galling even after repeated wheel changes.
3. Maintained Stiffness – The axles deliver the exact lateral rigidity BMC engineered into the URS frame, preserving responsive handling.
4. Warranty Protection – Using genuine parts keeps your BMC frame warranty intact.
5. Peace of Mind – No more worrying about mismatched aftermarket axles causing creaks, play, or dangerous failure far from home.

Aftermarket options might save a few dollars upfront, but they often compromise on material quality, thread accuracy, or lever ergonomics – issues that become expensive (or dangerous) quickly on remote trails.

BMC Urs One Gravel Bike Speckle Grey / Neon Red M

Step-by-Step Installation Guide for the Axle Kit – No 11

Replacing thru axles is straightforward and takes most riders under 10 minutes. Here’s how to do it right:

Tools you’ll need:

• 5mm or 6mm hex wrench (depending on your axle lever style)
• Torque wrench (recommended for final tightening – 8-12 Nm typical for BMC frames)
• Clean rag and light bike grease

Front wheel removal and installation:

1. Lean the bike against a wall or use a stand.
2. Open the front brake quick-release if equipped.
3. Insert the new front axle (CTS1047) from the non-drive side through the fork and hub.
4. Hand-thread it until snug, then use the lever or hex to tighten to spec.
5. Reinstall the wheel, align the rotor in the caliper, and close the brake.

Rear wheel removal and installation:

1. Shift into the smallest cog to relieve chain tension.
2. Open the rear brake.
3. Insert the rear axle (CTS0891) from the drive side through the frame dropout and hub.
4. Thread it in and tighten evenly.
5. Spin the wheel and check for brake rub or play.

Pro tip: Apply a thin layer of grease to the axle threads and contact surfaces before installation. This prevents corrosion and makes future removals easier.

How to easily fit & remove through-axle wheels – Cycling News | Bike Reviews | road.cc

Always double-check that the wheel sits fully seated in the dropouts before riding. A quick test spin and brake check in a safe area is essential.

Maintenance Tips to Maximize the Life of Your Axle Kit – No 11

Proper care keeps your Axle Kit – No 11 performing like new for years:

• Clean axles after every muddy ride using a soft brush and mild degreaser.
• Inspect threads and shoulders for wear or damage before each major trip.
• Re-grease threads every 6 months or 2,000 km.
• Store spare axles in a dry place if you travel with extras.
• Check torque settings periodically – vibrations can loosen components over time.

BMC recommends periodic professional service at authorized dealers, especially if you notice any unusual noises or play in the wheels.

Real Rider Experiences with BMC URS and the Axle Kit – No 11

Owners of the URS series consistently praise how the factory thru-axle system contributes to the bike’s legendary comfort and confidence. After installing the Axle Kit – No 11, many report quieter operation, crisper braking, and restored “as-new” handling – especially noticeable on the longer-travel LT and AMP models where suspension movement amplifies any axle slop.

New BMC URS Gravel Bikes – BIKEPACKING.com

Frequently Asked Questions About the Axle Kit – No 11

Q: Will this kit fit older URS models? A: It is designed for Gen 2 and later frames (MY2024+). Earlier models may require a different kit number.

Q: Are the axles compatible with any 12×100/12×142 wheels? A: Yes, as long as your wheels meet the standard spacing. Always verify hub compatibility.

Q: Can I buy just the front or rear axle separately? A: The kit is sold as a matched pair for convenience and value.

Q: How do I know if my axles need replacing? A: Look for excessive play, difficulty threading, visible thread damage, or a “clicking” feel when tightening.

Final Thoughts: Invest in the Right Parts for Your BMC URS

Your BMC URS is an investment in adventure and performance. The Axle Kit – No 11 ensures you keep that investment protected with factory-spec components that deliver reliability, safety, and the exact ride quality BMC intended.

Whether you’re replacing worn parts after a season of heavy use or simply stocking up for future maintenance, this kit is the smart, hassle-free choice. Head over to your authorized BMC dealer or the official BMC online store to grab yours today.

Ride on, stay unrestricted, and enjoy every kilometer with confidence knowing your axles are genuine BMC quality.

BMC URS 01 ONE – Put to the test in our big adventure gravel bike shootout | GRAN FONDO Cycling Magazine