Product Details

Schlumpf Gear Hub product released in June 2023 after a new upgrade in 5 years after production was discontinued in 2018.

The serial numbers of hubs received in June 2023 are 1200, 1216, 1234, 1275, 1313, 1428, and 1431.
It is guaranteed for 5 years after purchase, and specific guarantees are in the product description and warranty.

Schlumpf gear hub?
The hub of a unicycle has a gear ratio of 1:1. Therefore, for each revolution of the pedal, the rotation of the wheel is also 1 revolution.
Schlumpf geared hubs have internal gears that rotate at a rate of 1:1.5. Gear ratios of 1:1 and 1:1.5 are optionally available.
Because of this feature, you can travel farther and faster with less pedal rotation.
In other words, roughly the same effect as riding a 24-inch on a 36-inch, a 29-inch on a 44-inch, and a 36-inch on a 54-inch.
There is a gear shift button where the crank bolt is.

The new Schlumpf Gear hubs are available in two widths (100mm and 125mm).
Existing Quax, KrisHolm (100mm)
With the new version, it can also be installed on Nimbus (32, 36 inch, 125 mm) products.

The new Schlumpf gear hubs have new features.
First is the availability of disc brakes.
Since the disc rotor is directly mounted on the hub body, it is possible to mount brakes on various products other than KrisHolm.
Greater control and usability.
180mm disc brake rotors can be installed.
In order to prevent gears from slipping out or shaking while driving, an 8mm protruding hole is made in the bearing to stably attach the bearing housing.
have it installed.


However, in the case of the existing frame, a drill guide tool is included to make a hole in the housing separately.
There is a hole in the center of the hub for replenishing lubricant inside.

selection
Select the option according to the size of the hub of the product to be mounted (length from the center of the right bearing to the center of the left bearing) 100mm or 125mm.
Ex) All models of KrisHolm, Nimbus Oracle 24-36 inch - 100mm Schlumpf Gear Hub Nimbus Oracle 36, Nimbus Hatchet 26 - 125 mm Schlumpf Gear Hub

Things to check before ordering
-Schlumpf gear hubs are designed for use with bearing size ISIS type 42mm. Mounting is not possible on frames using square hubs.
-The number of spoke holes on the rim should be 36 holes.
-When using brakes, there must be a caliper tab to mount the brake assembly on the frame.
-In the case of KrisHolm products, you can use the included rotor by using the 'Nimbus D brake disc mount' rather than using the rotor on the existing crank.

1. Schlumpf Commemorative Hat
2. 180mm special size rotor
3. Shrump Gear Hub
4. 2mm hexagonal wrench : For the unstitched bolt in the gear shift button (shift button)
5. Key for fixing the gear shift button (shift button)
6. Special grease ampoule
7. Special bolt: Used when removing the crank
8. 3mm drill bit: used to make holes for anti-torsion pins in the frame housing
9. 6.2mm drill bit: used to make holes for anti-torsion pins in the frame housing
10. Drill Guide: Used to make holes for anti-torsion pins in the frame housing
11. 8mm hex wrench with 3/8" socket: for hub bolts
12. 3 rotor spacers: Used when the position of the rotor needs to be adjusted
13. 9 countersunk head screws M4x16 : Used when using No. 11 rotor spacer
14. Product description and warranty

hub specifications
-ISIS method
-black
-Bearing size: outer diameter (42mm), inner diameter (22mm), thickness (12mm)
- Gear Ratio: 1:1 and 1:1.5
-Crank bolt: M12 (hole for center shift gear button (6mm hexagon wrench))

Schlumpf Gear Hub 100mm
-Bearing pitch: 100mm (center-center)
-Spoke holes: 36 holes
- Weight: 1.65kg (including bolts/buttons)



Schlumpf Gear Hub 125mm
-Bearing pitch: 125mm (center-center)
-Spoke holes: 36 holes
- Weight: 1.75kg (including bolts/buttons)



As shown in the picture above, the rotors of the Schlumpf Gear Hub have different inner diameter sizes and the number of required bolts.
Not compatible.

Payment

We accept the following forms of payment:
- Credit Card
  - Visa
  - MasterCard
  - UnionPay

Shipping

• Shipping Method : Parcel Service
• Shipping Area : A Region.
• Shipping Cost : International Shipping Fee
• Shipping Time : 3 - 7 days
• Please take into consideration that some products may take additional time for delivery and processing.
  Important: Your order is shipped once your payment has been cleared. Please contact our customer service center if you would like to request an exchange or return on your order.
  
  - Customs and Duties
  
  The recipient will be held responsible for international shipments which may be subject to import duties and taxes. Please be advised that these charges are levied by the destination country and we do not have control over them. In the case that the recipient refuses to receive the parcel, the order will be returned to Korea and will not be re-shipped. Relevant expenses (round-trip shipping, customs, etc.) will be deducted from the refund.
  

Returns & Exchanges

1. Requirements:

Please take into consideration that we only accept qualifying returns but not exchanges. Refunds are issued once the returned products clear our inspection.

1) An item is eligible for cancellation if:
-you posted a Return request within 24 hours of payment and your order is still under “Pending” status (if your order is under “Queued for Shipment” status, please contact our customer service center) or
-the order is delayed for more than 10 days since payment and you have not received any notification regarding the delay; or
-the ordered item is out of stock.

2) We accept return(s) if:

-you receive a product different from your order; or

-you receive a defective product.

**Return Instructions

(1) Post a return request on our Return forum within three days of receipt. You are required to attach the photos of the received product(s) and include the item code, the order number, and the reason for the return.

(2) A customer service representative will be in contact to assist you by email or phone.

(3) Items returned must be in their original condition, which includes tags and any packaging. Also, you need to include a note of your order number, name, and user ID.

*Please be advised that returns are accepted ONLY IF you followed the instructions above and your return request has been approved by our staff. Returns that are shipped to us without any prior consent are not accepted.

*Please note that EVEN the defective/incorrect item(s) must be returned with all of the tags and labels intact. The item(s) must be sent in their original packaging and unworn.

*Please include all contents of the original package and free gifts (if applicable) in your return packaging.

* Shipping fee for any return caused by our fault will be paid by the company. However, if EMS’ cash on delivery is not possible then you can scan the return receipt and either mail it with the item to return or post an image of it on the forum. The shipping fee will be refunded once the returned item has arrived.

3) We do not accept return(s) if:

-you are returning the items just because you changed your mind (on size, color, etc.)
-you are returning shoes, bags, or any other accessories
-the products are damaged due to your mishandling
-your return request is not approved by our staff

The following items are not considered defective:

* Items that are originally manufactured without tags or labels
* Items with creases that may have been made while shipping
* Items with unsatisfactory/incomplete finish due to mass production

4) If there is a missing item from your order:

*Contact our customer service center by phone or by forum (if you cannot reach us by phone) within 1 day of delivery.
*Please keep all contents of the original package including packaging material (boxes, plastic bags etc.) with you until you are instructed otherwise.

Please note that we may not be able to process the refund for your missing item if you lose or damage any packaging material.

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