Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Legal noticePrivacy notice

KMC BCD 104

42
Price in EUR including VAT
1Ratings
BrandMore from KMC
Delivered Thu, 9.4.
More than 10 pieces in stock at third-party supplier
Supplied by
free shipping

Number of teeth2

Product details

High-performance 42T wide chainring for BCD104. Upgrade your cycling setup with this durable alloy CNC wide chainring featuring a 42-tooth design. Compatible with BCD104 cranksets, it is optimized for 1/8" chains with a 3mm thickness. Backed by a 10,000 km+ warranty when used with KMC’s 3mm rear sprockets and e101 EPT, ensuring long-lasting performance for serious cyclists.

  • Wide chainring 42T
  • For BCD104 cranksets
  • Alloy CNC construction
  • Designed for 1/8" chains with 3mm thickness
  • 10,000+ km warranty with compatible KMC sprockets and e101 EPT.

Key specifications

Chainring mount
4-arm
Bolt circle
104 mm

General information

Item number
21245965
Manufacturer
KMC
Category
Chainrings
Release date
21.6.2022

Colour

Colour
Black
Exact colour description
Black

Material

Material group
Metal
Material
Aluminium

Chainring properties

Bike area of use
Electric bike
Chainring mount
4-arm
Number of teeth
42

Compatibility

Bolt circle
104 mm

Voluntary climate contribution

CO₂ emissions
1,21 kg
Climate contribution
EUR 0,12

Product dimensions

Weight
79 g

Package dimensions

Length
21.30 cm
Width
19.20 cm
Height
1.20 cm
Weight
121 g

14-day cancellation right
30-day right of return
24 Months statutory warranty
1 additional offer
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Chainrings» category have a defect within the first 24 months?

Source: Galaxus
  • KMC
    Not enough data
  • 1.Shimano
    0,1 %
  • 1.Sram
    0,1 %
  • 3.Race Face
    0,3 %
  • e*13
    Not enough data

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • KMC
    Not enough data
  • e*13
    Not enough data
  • Race Face
    Not enough data
  • Shimano
    Not enough data
  • Sram
    Not enough data

Unfortunately, we don't have enough data for this category yet.

Return rate

How often is a product of this brand in the «Chainrings» category returned?

Source: Galaxus
  • KMC
    Not enough data
  • 1.Shimano
    6,3 %
  • 2.Stronglight
    6,8 %
  • 3.Wolf Tooth
    7 %
  • 4.e*13
    7,1 %
Source: Galaxus