JDubs Racing
Box One Chain Tensioner 10mm x 2 Axle Hole
Box One Chain Tensioner 10mm x 2 Axle Hole
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Box One™ Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight. A minimalist design adds style while reducing their overall mass. Laser-etched graphics include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability. Fits most frames every time you remove and replace your wheel.
When used correctly, Box One tensioners will protect your frame dropouts and hold your rear wheel in place. Keep in mind. However, they aren’t indestructible (neither are your dropouts). Install these lightweight chain tensioners with care and leave the 15-inch breaker bar in your toolbox.
Fits:
- Stacyc 12eDrive
- Stacyc 16eDrive
- Any other 25.4mm Seat Post
Features:
Extra Wide Range of Adjustability
Provides Protection for Your Frame Dropouts
Laser-Etched Guides for Wheel Position
XO Skeleton Design
Specs:
Material: 7075-T6 Aluminum
Process: Extruded & CNC Machined
Hardware: Stainless Steel
Finish: Anodized w/Laser-Etched Graphics
Size/Compatibility:
• Axle: 10mm
Adjustability:
• Wheel Position: 45mm
• Block: Dual-Color
• Grid: Dual-Sided
Weight: 69g
Let customers speak for us
Plug and play. I love it. Would’ve been super happy to get a sticker too since my son’s name is JW!
Much better than the original drum brake. Easy to install.
We highly recommend purchasing from Jdubs Racing. Excellent customer service, truly good people that want the best for all the little rippers.
This is 3.5 year olds first e-bike. He went from a strider straight to this. He hopped on, twisted the throttle and away he went! Super nice bike. I called the owners and they answered all my questions. Talked me into getting the 16” over the 12” which I would also recommend. With the seat on the lowest level his feet sit flat on the ground. He’s had no issues with the size. Plenty of room to grow. Company is owned by a husband and wife who are both extremely helpful and responsive.
My 5 yo loves this thing so much. We had an electric 12’ balance bike and he outgrew that. The first day was a learning curve because it’s has a lot of torque. Day 2 he dialed it in and now after day 5 he is ripping the track, jumping and just falling in love with the sport. Unbeatable for the price and is well built. Also, the front number plate was a good touch.
Fit perfect. Fit with only small modificaton with original chain
JDUBs has the right parts and the right people
Great to deal with
Will purchase from again
Xrt are great bikes! Got this one for my daughter so I can get rid of these stacycs! Xrt is far superior!
This thing is an absolute beast. My three year old races it and it will flat out leave every other kid at the line. And if he is not ready it will leave him at the line. Very powerful 12in bike. And beyond worth the money for it.
