SKU: 65714137670

HUP SQT Cranks: forged short cranks (104bcd 4-bolt) with narrow Q-factor

Sale price$37.49 Regular price$41.66
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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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Description

HUP SQT Cranks: forged short cranks (104bcd 4-bolt) with narrow Q-factor***Now available in 120mm and 125mm lengths!*** Finally, lightweight and short cranks for kids with a narrow Q factor and a 104bcd 4 bolt layout for chainrings from 30T to 42T. These HUP Kids Cranks are probably the most important component you will fit to your child's bike! Get it wrong and they lose pedal power and risk injury from crank arms that are too long or wide. Get it right, and they will spend many happy hours in the saddle and maximise

***Now available in 120mm and 125mm lengths!***

Finally, lightweight and short cranks for kids with a narrow Q-factor and a 104bcd 4-bolt layout for chainrings from 30T to 42T. These HUP Kids Cranks are probably the most important component you will fit to your child's bike!

Get it wrong and they lose pedal power and risk injury from crank arms that are too long or wide. Get it right, and they will spend many happy hours in the saddle and maximise their little leg power!

Available in a variety of popular lengths to fit junior/youth riders from age 6 to 14 approx. Compatible with any JIS square-taper bottom bracket, they are cold-forged from 6061-T6 aluminium for strength, low weight and durability.

These cranks are perfect for Road Racing, Cyclocross, Triathlon, BMX or MTB with the appropriate bottom brackets and single chainring, which can be mounted inboard or outboard of the mounting flange to suit chainline requirements.

Sizing Guide:

120mm: riders approx 110cm to 125cm tall
125mm: riders approx 115cm to 130cm tall
130mm: riders approx 120cm to 135cm tall
135mm: riders approx 125cm to 140cm tall
140mm: riders approx 130cm to 145cm tall
145mm: riders approx 135cm to 150cm tall
150mm: riders approx 140cm to 155cm tall
155mm: riders approx 145cm to 160cm tall

  • HUP Kids Cranks
  • Chainring BCD: 104mm, 4-bolt
  • Installation: Single Chainring
  • Aluminum 6061-T6
  • Bottom Bracket: JIS square-taper
  • Arm Lengths:  130mm, 135mm, 140mm, 145mm, 150mm & 155mm
  • Ensure you tighten crank bolts torque to 35-45Nm
  • Chainline: 45.3 (chainring inside, 107BB)
  • Q-Factor (with 107 BB): 145mm
  • Weight: from 405g
  • Colour: Black
  • Does not include crank arm bolts, available separately

Top Tip: as with all our kids cranks, we always add helicopter tape to the face of the crank arms to protect from kids feet rubbing (especially without cleats) when the cleat position sets the shoes very close to the cranks. More install info here.

If using HUP cranks on a non-HUP frame, use the dimensions below to check for fit on your frames chainstays...

103mm BB = approx 115mm inside crank arms
107.5mm BB = approx 121mm inside crank arms
108mm BB = approx 122mm inside crank arms
113mm BB = approx 127mm inside crank arms
115mm BB = approx 129mm inside crank arms
118mm BB = approx 132mm inside crank arms
122.5mm BB = approx 136mm inside crank arms
127.5mm BB = approx 140mm inside crank arms
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 65714137670

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Rose C
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★★★★★ 4
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Color: Tide Pool Blue, Size: Full/Queen
I LOVE this comforter!! The color is beautiful, it’s super soft, it’s nice and warm, and it has a nice weight to it. I will say it isn’t as fluffy as it seems in the pictures, there doesn’t seem to be any filling between the 2 layers, and if there is, it’s minimal. It’s more like the thickness of a similar double sided throw blanket. It also has the tendency to grab any small debris which clings to it, but this is to be expected with this type of fabric. I would not recommend this comforter for pet owners as it will definitely be covered in hair and whatever else your furbabies may track in! Despite the lack of fluffiness and it constantly holding on to any loose thread or other random debris, I am still very happy with my purchase. Very good comforter for the price and it looks beautiful on the bed!!
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Reviewed in the United States on October 11, 2024
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Amy Wilson
Los Angeles, US
★★★★★ 5
I originally got the King set & loved it so much I ordered another in Queen size!
Color: Charcoal, Size: King
I didn't add a picture because the advertised picture is exactly what it looks like (and my beds not made at the moment, lol). It's so soft, comfortable, cosey and warm. It's thicker and fluffier than I expected, but still very lightweight. The price was great for a king size bed with 2 king sized pillow cases! I love it so much I ordered a second set in Queen size, just to have the cases for my smaller queen pillows that go in front of the King pillows and to have the extra blanket as a cozy throw. The only drawback is it does snag easily on rings, fingernails, etc. (also another reason I ordered the second one to lay across the places that I've snagged & a few that were already snagged when I got them). However, it's so cozy that I didn't want to go through the hassle of sending it back and having to wait for a new one! I'm very glad that it was suggested as an add on when I ordered the mattress pad & that I chose to add it on. I'd definitely recommend it to anyone!
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Reviewed in the United States on January 23, 2023
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Everyday Joe
Fort Morgan, US
★★★★★ 5
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Color: Charcoal, Size: King
Great value very soft very warm as well as being lite weight.
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Reviewed in the United States on April 14, 2026
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Christina Billings
Louisville, US
★★★★★ 5
Favorite Winter Bedding!
Color: Red Buffalo Plaid, Size: King
Cozy, warm, and so so soft! Washes up beautifully! A great bed set for the cost. Thank you!
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Reviewed in the United States on January 27, 2026
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Linus' Mama
Massapequa, US
★★★★★ 5
Love it!
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Instantly became my favorite comforter for winter months. Colors are vibrant and beautiful; soft and warm; appears to be durable. I would get another of it came in others colors. Paired with the Amazon Basics red buffalo plaid sheet set. Matches my pajamas and my dogs’ bandannas perfectly!
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Reviewed in the United States on December 1, 2025

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