Manufacturer manuals & parts guide
HASE manuals & parts
Identify HASE accessories: original manuals, visible part numbers and corresponding shop links for harnesses, seats, cranks, armrests and leg supports.
5 HASE manuals with 8 linked shop products.
HASE manuals and corresponding parts
HASE part number25535
Harness with magnetic buckle
5-point attachment, including shoulder pads
Main itemReference: PDF page 2 · Harness & shoulder pads
HASE part number25532
Shoulder pads
For the HASE harness; check the quantity supplied on the product page
Available separately / replacementReference: PDF page 2 · Harness & shoulder pads
HASE part number27365
Vario Komfort seat cover
Including seat extensions
Main itemReference: PDF page 1 · Vario Komfort seat cover
HASE part number27369
Wedge cushion for Vario Komfort
Sold individually; can be fitted in six positions
Optional accessoryReference: PDF page 6 · Vario Komfort seat cover
HASE part number26770
Adjustable crank – square taper
Square taper, 32-tooth chainring
Square-taper versionReference: PDF page 1 · Adjustable cranks
HASE part number26774
Adjustable crank – Shimano Steps
HollowTech mounting for Shimano Steps
HollowTech versionReference: PDF page 1 · Adjustable cranks
HASE part number28390
Kettwiesel ONE armrest
Can be used on the right or left
AccessoryReference: PDF page 1 · Kettwiesel ONE armrest
HASE part number28418
Single-sided leg support
Kettwiesel ONE; fits on the right or left
AccessoryReference: PDF page 1 · Kettwiesel ONE leg support
HASE · 4 PDF pages · DE / EN
Harness & shoulder pads
Find the HASE harness instructions and the two corresponding shop products. Distinguish the complete harness from separately available shoulder pads.
Part numbers: 25535, 25532
View manual & parts →HASE · 6 PDF pages · DE / EN
Vario Komfort seat cover
The seat cover and wedge cushion have different HASE part numbers. The manual shows the seat cover on PDF page 1 and the optional wedge cushion on PDF page 6.
Part numbers: 27365, 27369
View manual & parts →HASE · 2 PDF pages · DE / EN
Adjustable cranks
For adjustable HASE cranks, the mounting interface determines the version you need. Compare square taper and HollowTech for Shimano Steps using the full part number.
Part numbers: 26770, 26774
View manual & parts →HASE · 1 PDF pages · DE / EN
Kettwiesel ONE armrest
HASE part number 28390 identifies the armrest for the Kettwiesel ONE. The number and fitting instructions appear on the single page of the PDF.
Part numbers: 28390
View manual & parts →HASE · 1 PDF pages · DE / EN
Kettwiesel ONE leg support
The single-sided leg support for the Kettwiesel ONE has HASE part number 28418. Compare this number with the visible reference on PDF page 1.
Part numbers: 28418
View manual & parts →No matching entry yet
Our manual guide currently covers five HASE accessory manuals. A missing result does not mean the part cannot be sourced. Send us the full part number and, if possible, a photo of the component.
Get help identifying a partWill the part fit your bike?
A matching part number confirms the reference in the manual. Your bike’s model, generation, mounting interface and later modifications also matter. If you are unsure, photos of the component and identification label, together with the full manufacturer part number, help us check.
Ask about a part or versionHow does the frame number help?
It can help the manufacturer identify the bike and its original specification. Its meaning varies by brand. Do not assume a general rule for extracting the year or model. Automatic frame-number lookup is not yet available here.
Is the manual edition the same as the model year?
No. The edition identifies the document version. Part selection also depends on the model generation, equipment and possible modifications. Always compare the specific version.