Cane Creek 110 Series Bottom EC49
Cane Creek

Cane Creek 110 Series Bottom EC49

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Premium Cane Creek 110-Series EC49 bottom assembly — sealed bearings, lightweight construction and mix-&-match compatibility for 1-1/8" steerers and 49mm headtubes.

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Product Details

Overview & Technology

The Cane Creek 110 Series Bottom EC49 is designed as a premium external-cup conversion bottom for modern frames with a 49mm headtube. Engineered to deliver smooth, long-lasting performance, this bottom assembly combines precision bearings, robust seals and refined aesthetics in a compact 83 g package. The unit uses a 30mm crown race diameter and a 49mm lower cup (S.H.I.S. EC49/30) to fit standard 1-1/8" steerer setups. Cane Creek focused on material selection and seal design — you get corrosion-resistant, precision-ground bearings and effective labyrinth-style sealing that keep grit and moisture out while retaining grease where it belongs.

Key Features & Benefits

High-quality materials and construction: the 110-Series bottom features corrosion-resistant bearings, a CNC-friendly aluminum cup interface and carefully designed seals for extended service intervals and consistent steering feel. Real-world benefits include reduced maintenance, quieter steering, and a durable interface that resists play under load — ideal for riders who want dependable handling without constant servicing. The conversion bottom also matches Cane Creek's modular top caps so you can tailor stack height and look.

Fit, Compatibility & Installation

This bottom assembly is S.H.I.S. spec EC49/30 — external cup, 49mm outer diameter lower cup with a 30mm crown race. It is intended for use with 1-1/8" steerer tubes and is compatible with frames that accept EC49 lower cups. Check your frame's headtube ID and steerer size before purchase. Installation is standard for external-cup headsets: press the cup into the headtube, fit the crown race to the fork crown, and assemble with your chosen Cane Creek 110-Series top (short 9mm or tall 15mm bearing cover options). Always follow torque specs and use appropriate headset press tools for a clean, damage-free install.

Who This Is For

The 110 Series Bottom EC49 is ideal for mountain riders, builders and mechanics who need a premium external-cup lower for 1-1/8" steerers and 49mm headtubes. It's especially useful when converting frames or forks to Cane Creek's modular 110 system or when replacing a worn lower cup with a durable, serviceable option. Choose this part if you value long-term reliability, lower maintenance, and the flexibility to mix-and-match tops and bottoms to dial stack height and aesthetics for gravel, trail or all-mountain rigs.

Key Features

  • ✓ S.H.I.S. spec EC49/30 — fits 49mm headtube with 30mm crown race
  • ✓ Precision sealed stainless bearings for smooth, durable steering
  • ✓ Lightweight conversion bottom — approximately 83 grams
  • ✓ Labyrinth-style seal design keeps contaminants out and grease in
  • ✓ Compatible with 1-1/8" steerers and Cane Creek 110 tops (9mm/15mm)
  • ✓ CNC-friendly aesthetic with anodized black finish for stealth look
  • ✓ Easy mix-and-match modular system for tailored stack height

Specifications

Crown Race Diameter 30mm
Lower Cup 49mm
S.H.I.S. EC49/30
Steerer Tube 1-1/8''

Product Identifiers

Vendor Item # BAA0161K
UPC 840226096001

Frequently Asked Questions

Will this bottom fit my bike frame?

This bottom is S.H.I.S. EC49/30 — it fits frames that accept a 49mm external lower cup and forks with a 30mm crown race seat. Confirm your frame's lower headtube ID and your fork crown race diameter before purchasing.

Can I use this with a tapered steerer fork?

The 110 Bottom EC49 is designed for a 1-1/8" steerer interface. For tapered forks (1.5" lower), you would need a compatible bottom specifically for tapered steerers or an appropriate conversion; this part alone is for straight 1-1/8" steerers.

Do I need to buy a top cap as well?

Yes — the bottom is sold as a standalone lower assembly. Cane Creek's 110 Series lets you mix-and-match tops (short 9mm or tall 15mm bearing covers) to achieve the desired stack height and look, so select a compatible top to complete the headset.

How often should I service the bearings?

Service intervals depend on riding conditions. For dry, light trail use, inspect and service yearly. For wet, muddy, or winter riding, check every 3–6 months. The 110-Series seals reduce contamination, extending time between services compared with unsealed units.

Is this an OEM replacement for Cane Creek headsets?

Yes — this is a genuine Cane Creek 110-Series bottom assembly (Manufacturer Part #: BAA0161K / Product No. 150203). It's intended as a direct replacement or conversion part for compatible headsets and frames.

What tools do I need to install it?

You'll need a headset press or appropriate head tube press cups, crown race setter for the fork, a mallet or press, and standard hex tools for assembly. Proper tools ensure the cup is seated squarely and prevent damage to the headset or frame.

Buying Guide

When choosing a headset bottom, first verify your frame's S.H.I.S. spec and fork crown race diameter. The EC49/30 designation tells you this bottom is for an external 49mm lower cup and a 30mm crown race — common on many mountain and all-mountain frames with 1-1/8" steerers. Match the bottom to a Cane Creek 110-Series top to control bearing cover stack height and achieve the desired cockpit height and aesthetic. Consider materials and sealing when prioritizing service intervals and longevity. Premium sealed bearings and effective seal geometry — like that used in the 110 Series — reduce contamination and maintenance while improving steering feel. If you plan to use a tapered steerer or press-fit bearings, choose the corresponding Cane Creek model designed for those configurations.

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