e*13 Helix Core
34Product details
Helix Core Direct Mount chainrings have a narrow, wide tooth profile for reliable chain retention and a particularly long service life. Designed with an adjustable 13.5-15.5 mm offset via spacers, they offer adaptability to both 53 and 55 mm chainlines for Bosch CX and SX motor systems. Helix Core espec rings are cold-formed from steel and then heat-treated to ensure excellent durability and toughness.
Chainring mount | Direct recording |
Crank compatibility | 1-speed |
Cassette compatibility | 1-speed, 12-speed |
Item number | 37342398 |
Manufacturer | e*13 |
Category | Chainrings |
Manufacturer No. | CR5ESA-100 |
Release date | 2.8.2023 |
Colour | Black |
Exact colour description | Black |
Material group | Metal |
Material | Steel |
Bike area of use | Electric bike |
Chainring mount | Direct recording |
Number of teeth | 34 |
Model year | 2023 |
Crank compatibility | 1-speed |
Cassette compatibility | 1-speed, 12-speed |
Country of origin | Taiwan |
CO₂ emissions | 1,48 kg |
Climate contribution | EUR 0,12 |
Weight | 400 g |
Length | 21 cm |
Width | 21 cm |
Height | 1 cm |
Weight | 250 g |
30-day right of return
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- 1.e*130 %
- 2.Shimano0,1 %
- 3.Sram0,2 %
- 4.Race Face0,3 %
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- e*13Not enough data
- KMCNot enough data
- MicheNot enough data
- Race FaceNot enough data
- ShimanoNot 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- 1.Miche2,6 %
- 2.e*135,7 %
- 3.Stronglight6,7 %
- 4.Shimano6,9 %
- 5.Sram7,8 %