YBN MK918 Half Link Chain
The YBN MK918 Half Link Chain is crafted for accuracy and robustness, making it an excellent option for converting geared bikes to single-speed configurations. This chain consists of 102 links constructed from Chromoly steel with DHA heat treatment, ensuring exceptional strength for demanding riding conditions. The reinforced top plate boosts durability, and an assembly pin is included for straightforward installation.
Specifications:
- 102 links
- Chromoly steel - DHA heat treatment
- Reinforced top plate for more aggressive impact riding
- Assembly pin included
- For 1/2" x 1/8" teeth
- Traction resistance : 1300kgs (according to ISO and JIS industrial standards)
- Pin power : 250kgs
- Wight : 397 g
- Made in Taiwan
When converting a gear bike to a single-speed bike, a half-link chain offers several advantages, making it a preferred choice for this setup. Here’s why:
1. Precise Chain Length Adjustment
On a single-speed bike, maintaining proper chain tension is crucial. Without a derailleur to take up slack (as on a geared bike), you need the chain to be the perfect length. A half-link chain allows finer adjustments in chain length compared to a standard chain, enabling you to dial in the perfect tension even if your bike frame doesn’t allow much rear wheel movement in the dropouts.
2. Chain Tension Without a Tensioner
In some conversions, achieving the correct chain tension can be difficult without using a chain tensioner. A half-link chain lets you make minor adjustments, often allowing you to bypass the need for a tensioner entirely. This leads to a cleaner, more streamlined bike setup.
3. Improved Compatibility with Horizontal Dropouts
If the converted single-speed bike uses horizontal or semi-horizontal dropouts, precise chain tension is key. The half-link chain's ability to adjust in smaller increments than a full-link chain helps accommodate different gear ratios while maintaining proper tension without requiring excessive wheel movement.
4. Easier Setup with Existing Components
When converting a geared bike to single speed, you might use the original crankset and rear cog, which may not align perfectly with standard chain lengths. A half-link chain can help you find the correct length without the need to change sprockets or cogs, making the conversion smoother and less expensive.
5. Durability and Strength
Half-link chains are often designed with higher durability, especially for urban riding, BMX, or trick riding where there's a lot of strain on the chain. This added strength can be beneficial for single-speed setups, especially in fixed-gear applications where the chain experiences constant tension both during acceleration and deceleration.
6. Better Fit for Small Frame or Tight Clearances
Some frames, especially older or custom builds, may have tight clearances in the rear triangle. The flexibility of a half-link chain allows it to fit better within these spaces, ensuring that the chain is taut and aligned correctly without forcing awkward fits or unnecessary adjustments.
In summary, when converting a geared bike to a single-speed setup, a half-link chain provides the flexibility, precision, and durability needed to achieve optimal chain tension and performance without the need for additional components like chain tensioners.