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  • Description
  • Reviews (5)
  • Bike Locks Guide
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  • Product description

    Transport your rugged U-lock and keep your frame scratch free with the innovative Kryptonite Transit FlexFrame U Bracket Mounting Kit.

    Optimise the position with 360 degree rotation and micro-adjustment so your lock aligns with the geometry of your frame.

    Key Features

    • The Transit FlexFrame-U mounts quickly and easily and supports the transportation of the most common u-lock sizes
    • The Flex Frame-U fits bicycle frame tubing 25 mm to 80 mm whether round, oval, triangular or square shapes
    • The mounting system allows for 360 degree rotation offering the ability to micro-adjust the lock angle to better fit and align with a bike frames specific geometry

  • Kryptonite Transit FlexFrame U Bracket Mounting kit Reviews

    Write your own review
    Overall Rating:
    2.9
    out of 5
    2.90
    Build Quality
    3.20
    Performance
    3
    Value For Money
    2.50

    Customer Reviews (5)

    1
    Kryptonite Transit Flexframe U Bracket

    Sorry to say a very poor product. The flexible frame mount is not rigid enough so after 1-month of use allowed the bracket to flex on the frame tube and the Kryptonite lock to fall out of the mount - 3 times in 2-days now.

    Sorry to say a very poor product. The flexible frame mount is not rigid enough so after 1-month of use allowed the bracket to flex on the frame tube and the Kryptonite lock to fall out of the mount - 3 times in 2-days now.

    Close review
    0.8 out of 5
    Build Quality: 0.5/5
    Performance: 1/5
    Value For Money: 1/5
    5
    An upgrade over the old one

    I bought this to replace an older bracket that had stopped working because a tiny spring had rusted to dust over 5 years of service. This new bracket has done away with the spring so should not suffer the same fate. Installation is really easy though I don't like the bit of strap that's left sticking out. I know the instructions say to cut it short and re-seal the end but I might want to move the bracket to a different part of the bike or a different bike all together so I have taped the loose end to the bike for now. This new bracket also has a different way of attaching the lock and provides 2 mounting adaptors, one is too small (12mm) for my shackle and the other is too big (16mm) so I have shimmed the shackle so the large adaptor fits. Once in place the bracket holds the lock very snug, I have no concerns about the lock moving or becoming un-attached while cycling. If it lasts as long as the last bracket then I consider it to be a bargain.

    I bought this to replace an older bracket that had stopped working because a tiny spring had rusted to dust over 5 years of service. This new bracket has done away with the spring so should not suffer the same fate. Installation is really easy though I don't like the bit of strap that's left sticking out. I know the instructions say to cut it short and re-seal the end but I might want to move the bracket to a different part of the bike or a different bike all together so I have taped the loose end to the bike for now. This new bracket also has a different way of attaching the lock and provides 2 mounting adaptors, one is too small (12mm) for my shackle and the other is too big (16mm) so I have shimmed the shackle so the large adaptor fits. Once in place the bracket holds the lock very snug, I have no concerns about the lock moving or becoming un-attached while cycling. If it lasts as long as the last bracket then I consider it to be a bargain.

    Close review
    4.8 out of 5
    Build Quality: 5/5
    Performance: 4.5/5
    Value For Money: 5/5
    1
    Flimsy and poorly designed

    Dear Kryptonite, please look at how Abus design their lock holders and re-design yours. You cannot make a holder out of a flimsy cloth material and a single tiny grub screw. U locks a very heavy and need a substantial holder.

    Dear Kryptonite, please look at how Abus design their lock holders and re-design yours. You cannot make a holder out of a flimsy cloth material and a single tiny grub screw. U locks a very heavy and need a substantial holder.

    Close review
    1.3 out of 5
    Build Quality: 2/5
    Performance: 1/5
    Value For Money: 1/5
    4
    Sticky bracket

    I agree with the other reviewers comments. Additionally, the first time I used the bracket, I hadn't engaged the lock property and as I was cycling, the lock fell out and hit out the road. I was quite upset I’d scuffed my new lock. After that I struggled to easily remove the lock once it was properly engaged until I put some grease on the bracket.

    I agree with the other reviewers comments. Additionally, the first time I used the bracket, I hadn't engaged the lock property and as I was cycling, the lock fell out and hit out the road. I was quite upset I’d scuffed my new lock. After that I struggled to easily remove the lock once it was properly engaged until I put some grease on the bracket.

    Close review
    3.7 out of 5
    Build Quality: 4/5
    Performance: 4/5
    Value For Money: 3/5
    4
    Quick fix

    Expensive, but sturdily built. You have to cut away some of the rubber coating on the shackle, but a wrap around of masking tape gave a neat line to cut to. Very easy to mount on bike, but had to tighten the nut an extra half turn with the allen key to stop the wobbles. Once done works well.

    Expensive, but sturdily built. You have to cut away some of the rubber coating on the shackle, but a wrap around of masking tape gave a neat line to cut to. Very easy to mount on bike, but had to tighten the nut an extra half turn with the allen key to stop the wobbles. Once done works well.

    Close review
    3.8 out of 5
    Build Quality: 4.5/5
    Performance: 4.5/5
    Value For Money: 2.5/5