KMC Bosch Gen 4 Super Narrow Spacerless E-Bike Chainring

Was £28.00
From £21.99
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Fawkes Cycles
£21.99
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Price last checked: 07/11/2026

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KMC Bosch Gen 4 Super Narrow Spacerless E-Bike Chainring

The KMC Bosch Gen 4 Spacerless Super Narrow Chainring is precision-engineered for Bosch 4th generation mid-drive motors requiring a 47.5mm chainline without an additional spacer. Its spacerless design allows for a clean, direct-fit installation on compatible motor units, while its hardened chromoly steel construction g ...
The KMC Bosch Gen 4 Spacerless Super Narrow Chainring is precision-engineered for Bosch 4th generation mid-drive motors requiring a 47.5mm chainline without an additional spacer. Its spacerless design allows for a clean, direct-fit installation on compatible motor units, while its hardened chromoly steel construction guarantees a minimum service life of 3,500km. Designed to work in perfect harmony with KMC’s super-narrow e-bike chain range, this chainring delivers high efficiency, maximum battery range, and long-term reliability under the demanding conditions of e-bike use. Features Engineered for Bosch Gen 4 mid-drive e-bike motors Spacerless design - no additional spacer required 47.5mm chainline for precise drivetrain alignment Hardened chromoly (CrNo) steel construction Guaranteed minimum service life of 3,500km High efficiency to maximise battery range Perfect match with KMC super-narrow e-bike chains Simple direct-fit conversion
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Other Colours & Sizes

KMC Bosch Gen 4 Super Narrow Spacerless E-Bike Chainring-47.5mm Chai

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KMC Bosch Gen 4 Super Narrow Spacerless E-Bike Chainring-52mm Chainl

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About: KMC

KMC is a renowned brand specializing in bicycle chains and related components. With a history dating back to 1977, KMC has become a trusted name in the cycling industry, known for its high-quality and reliable products. KMC offers a wide range of bicycle chains designed for various cycling disciplines, including road, mountain biking, and BMX. Their chains are renowned for their durability, smooth shifting, and excellent performance. KMC utilizes advanced manufacturing techniques and high-quality materials to create chains that can withstand rigorous riding conditions and deliver optimal power transfer. In addition to chains, KMC also produces chain accessories, such as chain links, quick links, and chain tools, to facilitate easy installation, maintenance, and repair. These accessories are designed with convenience and reliability in mind, allowing cyclists to efficiently work with their chains.

About: Fawkes Cycles

Fawkes Cycles is a UK-based cycling retailer built on a foundation of elite racing experience and a genuine love for the sport. Founded by former professional cyclists Nigel and Mandy—whose achievements include representing Great Britain and winning a world championship—Fawkes Cycles combines expert insight with a strong commitment to customer service. The store offers a wide selection of bikes, parts, and accessories from trusted brands, alongside exclusive deals, discount codes, and convenient services like free UK delivery and click & collect. Whether you're a beginner or a seasoned rider, Fawkes Cycles is a name you can trust for quality, value, and real cycling know-how.

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