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Kryptonite Keeper Standard + KFlex
The standard version of the Kryptonite Keeper with additional cable to secure the impellers. Practical, long and incredibly strong. Including click lock holder and double locking mechanism, makes it extremely durable. 12mm hardened steel, weatherproof vinyl cover against damage. The reinforced high security disc cylinder lock offers security against drilling and picking, and with the double locking mechanism for additional security.
Not all lock-up situations are similar. Where you are locking up your bike and the length of time you will be leaving the bike unattended are the primary factors used to determine which level of security should be used. Check out this helpful Bicycle Security Chart to choose the security level that best suits your situation. Click on the security level to learn more.
Kryptonite recommends you spend 10% of the total cost of your bike on security.
We also recommend using two security products rather than just one as this will usually drive a thief to choose another target.
Product features - Keeper Standard + KFlex
- 12mm hardened steel
- High-security disc cylinder lock, secured against reboring
- Double locking mechanism, extremely durable
- Weatherproof vinyl cover
- ATPO Program - Advanced Theft Protection
- Key-Safe program - registration of the key number
- Two stainless steel keys
Security
- 5/10
Dimensions
- Keeper: 10.2 x 20.3cm
- KFlex: 120cm
Weight
- Keeper Lock: 0.93kg (Manufacturer information)
- KFlex cable: 0.32kg (Manufacturer information)
Scope of delivery
- 1 x Keeper lock
- 1 x Kflex cable
- 1 x Klick lock holder
- 2 x Keys
How to Choose Your Bicycle Security

Not all lock-up situations are similar. Where you are locking up your bike and the length of time you will be leaving the bike unattended are the primary factors used to determine which level of security should be used. Check out this helpful Bicycle Security Chart to choose the security level that best suits your situation. Click on the security level to learn more.
Kryptonite recommends you spend 10% of the total cost of your bike on security.
We also recommend using two security products rather than just one as this will usually drive a thief to choose another target.
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