SKU: 57649837371
geared bicycle hub

geared bicycle hub Sidekick GR Rear MTB Hub

Sale price$25.09 Regular price$27.88
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  • USA
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

geared bicycle hub Sidekick GR Rear MTB HubThe e*thirteen Sidekick GR Rear MTB Hub features a unique anti kickback drive mechanism with adjustable deadband, providing smooth suspension performance, reduced fatigue, and nearly silent operation for an unparalleled riding experience. Designed and tested with the world's top teams and racers over multiple seasons, the Sidekick GR offers the broadest driver compatibility in the lineup across Boost 148mm and 157mm (DH, Superboost) spacing. The

The e*thirteen Sidekick GR Rear MTB Hub features a unique anti-kickback drive mechanism with adjustable deadband, providing smooth suspension performance, reduced fatigue, and nearly silent operation for an unparalleled riding experience. Designed and tested with the world's top teams and racers over multiple seasons, the Sidekick GR offers the broadest driver compatibility in the lineup across Boost 148mm and 157mm (DH, Superboost) spacing.

The freehub mechanism disengages the drivetrain from the rear wheel when coasting, and an adjustable deadband filters kickback and chain vibration before it reaches the pedals, virtually eliminating pedal feedback effects on suspension. With the drive mechanism disengaged from the ratchet ring, drag is significantly reduced, resulting in an impeccably smooth ride over the roughest terrain, improved traction, and reduced fatigue.

  • Adjustable pawl-pusher allows tool-free tuning of deadband between 12°, 15°, and 18° to suit rider preference, bike type, and terrain
  • Chain tension filtered by the deadband ensures suspension is unhindered by resistance from pedal kick-back, resulting in improved, more consistent performance, and simpler setup
  • Durable 60T ratchet ring with innovative pusher-driven 3-pawl system provides silent operation and reduced drag by remaining disengaged unless pedaling
  • Available in Boost 148x12mm, Superboost 157x12mm, 148mm DH, and 157mm DH spacing
  • XD, HG, Microspline, Mini-HG, and 7-speed integrated cassette driver compatibility
  • 6-Bolt disc mount, 28h and 32h J-bend spoke configurations
  • E-MTB compatible
  • Proven on the World Cup, fully serviceable and rebuildable, backed by a 5-year warranty

Pair with the Sidekick Pro Front MTB Hub to complete the build.

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: 57649837371

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PickyMe
Carnegie, US
★★★★★ 4
I hold this more than my husband's hand!
Color: Black and Gold
So much about this mouse is RIGHT!! The smooth feel in my hand, the way it glides across the mouse pad, and the silent scrolling and clicking feature are all great features I look for in a mouse. As an online college student, homeschooling mother, writer, digital designer, and business owner, a computer mouse is one of my most used "tools". The battery life seems to be alright, although I did not realize it was ran on batteries and am not looking forward to the ongoing replenishment of that. I would prefer a mouse that charges if it were to be wireless or just have that cord attached. It responds with my computer and laptop well with little to no lag. Visually, it is gorgeous, classy and professional while also being cute! The black with the rose gold colors really make a statement. Aside from the longevity and sustainability of batteries, I love everything about this mouse. Show me this mouse with a few upgrades and the ability to charge an internal battery and I will be all over that with 5 stars!
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Reviewed in the United States on May 20, 2026
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María Lopez
Lexington, US
★★★★★ 5
Great wireless mouse for everyday use
Color: White and Silver
This mouse is lightweight, easy to use, and works perfectly. The wireless connection is stable, and the battery lasts a long time. It is comfortable to use for work and everyday tasks. Great value for the price. I would definitely recommend it.
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Reviewed in the United States on June 10, 2026
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Verified Purchase
Amazon Customer
Alexandria, US
★★★★★ 5
Quiet, Sleek, and Surprisingly Premium for the Price
Color: White and Gold
I’ve gone through a lot of wireless mice over the years, but this one genuinely surprised me. The design looks much more premium in person — the black and gold finish gives it a sleek modern setup vibe without looking cheap or flashy. The mouse is super lightweight, smooth, and almost silent when clicking, which honestly makes a bigger difference than I expected. Great for late-night work, studying, or coffee shop use without annoying everyone around you. Setup took seconds — plugged in the nano receiver and it worked instantly with my laptop. No lag, no connection issues, and the tracking has been very responsive on different surfaces. Battery life has also been solid so far. For the price, this feels like one of those underrated tech finds that ends up becoming part of your everyday setup. Clean aesthetic, quiet performance, portable, and reliable. Definitely exceeded expectations.
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Reviewed in the United States on May 22, 2026
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Michael Todd
Alexandria, US
★★★★★ 5
Nice, quiet and durable mouse
Color: Black and Gold
After trying several mice, I purchased one of these. It is small and very quiet. Since I spend many hours a day at a computer that can be rough on mice. I have since purchased more of these. It will take the average user quite a while to wear one out. And they are inexpensive.
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Reviewed in the United States on May 30, 2026
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Shaiel Santiago Reyes Roldán
Battle Creek, US
★★★★★ 5
Incredible Precision and Comfort for Gaming and Design
Size: Standard, Size: Standard
After using this mouse for a couple of weeks, it just confirmed again why I’m such a fan of Razer products. The ergonomics are excellent, and it feels surprisingly lightweight considering it uses a AA battery. The low latency with Hyperspeed technology is fantastic, and the sensor precision is seriously impressive. I spend hours playing Fortnite and the connection has been completely reliable the whole time. I’m also a designer, so I need accuracy for detailed work in Illustrator, and this mouse has performed perfectly for both gaming and professional use. Definitely one of the best wireless mice I’ve used.
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Reviewed in the United States on May 16, 2026

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