1. Bicycle Rims For Sale
  2. sku: 17702291733162731
  3. DEITY 817180020137

DEITY Cavity Stem Clamp Steerer 817180020137 31.8MM 50MM 1-1/8FTFT

Deity 817180020137 Cavity Stem In Black - 31.8mm Clamp 50mm Length Steerer 1-1/8ftft

( Brand: Deity ), ( Part Type: Stem Clamp ), ( Parttype: Threadless Stems ), ( Color: Black ), ( Stem Type: Threadless ), ( UPC: 817180020137 ), ( Material: Aluminum ), ( Item Length: 50 Mm ), ( Steerer Tube Diameter: 1 1/8 In ), ( Department: Unisex Adult ), ( Clamp Diameter: 31.8 Mm ), ( Compatible Bike Type: Mountain Bike )

Review DEITY Cavity Stem In Black 31.8mm Clamp 50mm Length Steerer 1-1/8ftft

The **Deity 817180020137 Cavity Stem** is a meticulously engineered, high-performance component designed for cyclists seeking precision, versatility, and durability in their riding experience. This stem features a **31.8mm clamp diameter**, ensuring a secure and snug fit on a wide range of modern 1-1/8" steerer tubes, including those found on high-end road, gravel, and endurance bikes. The **50mm length** provides a balanced, ergonomic reach, allowing riders to maintain an optimal riding position without compromising control or comfort. Crafted with a **cavity design**, this stem is compatible with a variety of dropper post systems, making it an ideal choice for cyclists who prioritize seamless transitions between riding positions, whether on technical trails or long-distance rides. The **1-1/8" steerer tube compatibility** further enhances its adaptability, ensuring seamless integration with a broad spectrum of frame and fork setups. Built to withstand the rigors of demanding rides, the Deity 817180020137 stem combines lightweight construction with robust materials, delivering both performance and longevity. Whether used for aggressive climbing, fast descents, or all-day endurance rides, this stem offers the stability and responsiveness riders need to push their limits with confidence. Its clean, minimalist design not only enhances aesthetics but also ensures easy installation and maintenance, making it a practical and stylish upgrade for any cycling setup.

### **Pros and Cons of buying a Deity 817180020137 (Cavity Stem, 31.8mm Clamp, 50mm Steerer, 1-1/8" Threaded)**

#### **Pros:**

1. **Compatibility with Modern Bikes** The 1-1/8" threaded steerer is widely used on contemporary bikes, making it a versatile choice for upgrades or replacements.

2. **Adjustable Reach and Angle** The 50mm steerer length allows for slight adjustments in handlebar positioning, which can improve ergonomics for some riders.

3. **Lightweight Construction** Deity stems are generally made from aluminum or carbon fiber, offering a balance between strength and weight savings.

4. **Durability** The cavity stem design (likely for cable routing) ensures compatibility with integrated brake systems (e.g., hydraulic disc brakes) without external cable clutter.

5. **Budget-Friendly Option** Compared to premium brands, Deity offers a cost-effective alternative without sacrificing essential functionality.

6. **Easy Installation** Standardized dimensions (31.8mm clamp) mean it fits most modern forks without modification, simplifying the replacement process.

7. **Aesthetic Variety** Deity often provides multiple color options, allowing riders to match their bike s aesthetic.

#### **Cons:**

1. **Limited Carbon Fiber Options** If you prefer ultra-lightweight performance, Deity s carbon stems may not match the stiffness or premium feel of brands like ISM, FSA, or Hope.

2. **Build Quality Variability** Some users report inconsistent finish quality or minor imperfections in cheaper models, though this depends on the specific batch.

3. **Less Brand Recognition** Deity is not as widely recognized as established brands, which may affect resale value or perceived quality in some circles.

4. **Potential Fit Issues** While 50mm is a common length, riders with very specific ergonomic needs (e.g., aggressive reach or drop) may find it less ideal than custom stems.

5. **Threaded vs. Threadless Trade-Off** Threaded steerer stems (like this one) are less common on newer bikes, which may limit future upgrades if you switch to threadless forks.

6. **No Integrated Shifters** Unlike some stems with built-in shifter mounts, this model requires external shifters, adding complexity to setup.

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### **Conclusion:**

The **Deity 817180020137** is a **practical, budget-friendly choice** for riders who prioritize compatibility, adjustability, and simplicity over premium materials or brand prestige. It excels for **commuters, casual riders, or those upgrading older bikes** with threaded forks. However, if you seek **ultra-lightweight performance, carbon stiffness, or high-end aesthetics**, investing in a stem from brands like **ISM, FSA, or Hope** may justify the cost.

For most users, this stem delivers **solid performance at a reasonable price**, making it a **reliable mid-range option** especially if you value ease of installation and versatility.

---

### **Recommendation:** **Buy this stem if:**

- You need a **functional, affordable replacement** for a threaded fork.

- Your bike s ergonomics are **satisfactory with the 50mm length**.

- You prefer **aluminum over carbon** or don t mind the slight weight trade-off.

- You want a **quick, no-frills upgrade** without complex fitting issues.

**Consider alternatives if:**

- You ride **aggressively** and need a **stiffer, lighter carbon stem**.

- Your bike s **ergonomics require a different steerer length** (e.g., 45mm or 60mm).

- You plan to **future-proof** with threadless forks and want a stem that can adapt.

- You prioritize **brand reputation** or **premium build quality** over cost savings.

**Final Verdict:** A **sound choice for practical riders** who don t need high-end performance but want a dependable stem. For enthusiasts or performance-focused builds, explore higher-tier options.

Details:

31.8mm clamp diameter and 50mm length . Selling a Deity Cavity stem. Low miles, in excellent shape all around.

specifications ribicycl:

  • brand: Deity
  • part type: Stem Clamp
  • parttype: Threadless Stems
  • color: Black
  • stem type: Threadless
  • upc: 817180020137
  • material: Aluminum
  • item length: 50 Mm
  • steerer tube diameter: 1 1/8 In
  • department: Unisex Adult
  • clamp diameter: 31.8 Mm
  • compatible bike type: Mountain Bike

payments ribicycl:

  • credit card: Visa
  • wallet: Apple-pay
  • other

returns ribicycl:

  • policy: No Returns

general ribicycl:

  • condition: Used
  • Cycling > Bicycle Components Parts > Stems

offer ribicycl:

  • best offers: True
  • availability: In Stock
  • started: April 27, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 1

shipping ribicycl:

  • cost: $8.95
  • service: USPS Ground Advantage
  • transit: 4-10 Days
  • type: Fixed
  • carrier: USPS
  • class: Standard

seller ribicycl:

  • rating: 100.0%
  • city: Hilliard, Ohio
  • # reviews: 687
part type: stem clamp, parttype: threadless stems, stem type: threadless, item length: 50 mm, steerer tube diameter: 1 1/8 in, department: unisex adult, clamp diameter: 31.8 mm, compatible bike type: mountain bike,
category: sporting goods > cycling > bicycle components parts > stems, color: black, material: aluminum, sku: 17702291733162731,
Deity 817180020137 Is Similar To:
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2 offers $72.39–$89.77 USD
  • New. Offer #1 priced at $72.39 + $9.40 shipping estimate = $81.79* total. +$9.40 shipping
  • New. Offer #2 priced at $89.77 + $13.02 shipping estimate = $102.79* total. +$13.02 shipping

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