HUB RR OR8 MT3100 36x142x12mmTA 6B 8-10sCAS SB BKRear hubs are convertible to QR - Endcaps/skewer sold separately. Forged alloy construction. Sealed Cartridge bearings. Double contact seals. 6-bolt disc. Item Specifications: Material, Aly, Color, Blk, Bearing Type, Sealed, Brake Type, 6B, Use, RR, Hub Drilling, 36H, CTF-R, 21, Spacing / Axle, 12TA, Bearing Size, 15x28x7, LTF-L, 35, CTF-L, 36, Bearing Model, 6902, LTF-R, 50, PCD-L, 58, Gears, 8-10s Cass, PCD-R, 58, OLD, 142,

Origin8 MT-3100 Rear Hub QR 142 HG J-Bend Blk

Reference Number: 3CM9CS

Upgrade your mountain bike with the high-performance Origin8 MT-3100 MTB Rear Hub, engineered for durability, versatility, and smooth riding. Designed for 8-10 speed cassette systems, this 36H black alloy hub offers exceptional engineering and performance, making it an ideal choice for trail, enduro, or all-mountain riding.

Materials & Construction:

Crafted from forged aluminum alloy, the Origin8 MT-3100 hub provides a lightweight yet robust frame, ensuring strength without added weight. Its sealed cartridge bearings with double contact seals deliver reliable protection against dirt, water, and debris-perfect for aggressive off-road adventures.

Performance & Engineering:

Featuring a 12mm thru-axle compatibility (12TA), this hub offers enhanced stiffness and precise power transfer, improving overall ride quality. With a 142mm quick-release (QR) compatibility (endcaps & skewer sold separately), it provides versatile mounting options to suit your bike's setup. The 21-tooth CTF-R flange configuration optimizes spoke tension and wheel strength, while the 6-bolt disc brake mounting ensures reliable stopping power.

Components & Technology:

The hub's sealed cartridge bearings and double contact seals boost longevity and reduce maintenance needs-a must-have for demanding mountain biking conditions. Its compatibility with 8- to 10-speed cassette systems ensures seamless gear shifting and wide-range gearing options for diverse terrains.

Style & Use Case:

Designed in a sleek black finish, the Origin8 MT-3100 hub combines style with function, making it suitable for trail riding, cross-country, or enduro applications. Its durable build and versatile features make it an excellent upgrade for serious cyclists looking to enhance wheel durability, stiffness, and overall performance.

Innovative Features:

- Convertible to quick-release setup for added riding flexibility

- Forged alloy construction for reduced weight and increased strength

- Sealed bearings with double contact seals for superior protection against the elements

- Compatible with 8-10 speed cassette systems and 6-bolt disc brakes for versatile riding needs

Upgrade your mountain bike's wheelset with the Origin8 MT-3100 MTB Rear Hub-engineered for strength, durability, and reliable performance on every trail. Shop now and experience smoother, more responsive rides with this top-tier hub.

  • High-quality, keyword-rich, and SEO-friendly bullets for the Origin8 MT-3100 MTB Hubs RR 36H Blk 8-10s Cass:
  • Versatile 36-Hole MTB rear hub featuring durable forged alloy construction for reliable performance on rugged trails and cross-country rides.
  • Engineered with sealed cartridge bearings and double contact seals, ensuring superior dirt and water resistance for long-lasting, maintenance-free operation.
  • Compatible with 8 to 10-speed cassette systems, the hub is designed with 12mm thru-axle (12TA) spacing and 142x12mm dropout fitment for enhanced stability and wheel strength.
  • Convertible to quick-release (QR) with optional endcaps and skewer (sold separately), offering versatility to suit different bike frames and riding preferences.
  • Includes 6-bolt disc compatibility, making it an ideal choice for precise braking performance on modern mountain bikes in various terrains.
Item Specifications
MaterialAly
UseRR
CTF-R21
Spacing / Axle12TA
LTF-L35
CTF-L36
Bearing Model142
LTF-R50
PCD-L58
Gears8-10s Cass
PCD-R58
OLD142

Why 365 Cycles?

365 Cycles is an Authorized Origin8 Dealer, and we offer the Full Origin8 Warranty!

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Professional Customer Service- available 7 days a week
Check out our 200,000+ amazing reviews!

365 Cycles delivers all your cycling needs fast! We don't waste time preparing your order. Our priority is to serve our customers first and foremost. If you need help picking the right product, have questions about bike component compatibility, or just want to geek out about bikes we are here 7 days a week! Simply put, we are bike experts from dirt to tarmac and want to make sure you get the full 365 Cycles experience when you shop with us.

At 365 Cycles our mission is to simplify the shopping experience. We want to get you the right product in a quick time frame and be here if you need help with questions, warranty, friend to talk to, etc.

We’re dedicated to building lasting relationships with our customers, communities, and team members. We combine the knowledge and service of a traditional bicycle shop with the convenience of shopping in your own home.





Shipping & Handling

Most orders placed during the workweek before 1:30 pm EST ship the same day, but in rare cases (peak season/holiday periods) handling time can take up to 48 hours. If you have questions regarding shipping estimates, please let us know prior to placing your order. There is a direct signature requirement for all orders over $500.

Please allow 1-2 business days for your order tracking to update.

  • Cut off for SAME DAY SHIPPING- 1:30 pm EST Monday - Friday
  • Friday afternoon -Sunday orders ship the following Monday
  • Due to carrier restrictions orders shipped to: PO Box, HI, AK, & PR 365 Cycles may use a comparable service to what was selected.

Combined Shipping Discounts

To offer customers savings on shipping, we offer discounts when shipping multiple items from our store. We cannot issue refunds on shipping once an order is finalized so please follow the 5 steps below and ask if you are having trouble with the discount before you make a purchase.

  1. Be sure you are using the US site: https://www.ebay.com
  2. Select Add to Cart (instead of Buy It Now) with items from our store 365Cycles
  3. Click on Proceed to Checkout. On the checkout page, the shipping service on each line item needs to match
  4. Compare First Class vs Priority as sometimes Priority can be cheaper and it gets to you faster!
  5. You’ll need to change the shipping method to Priority on every item in your cart before the rate can be calculated.

Returns

365 Cycles offers returns for 30 days on new items in their original, intact packaging. Return shipping for ALL orders are to be paid by the buyer. Please be sure to read our return policy entirely and if you have any questions, please contact Customer Service.

Full refunds are issued on items that are brand new and we are able to resell as new. 365 Cycles reserves the right to deny returns that are outside of policy including, but not limited to, used items, items missing original packaging, items with damaged manufacturer packaging, or international orders. Return orders must be shipped in a box or bubble mailer. Items shipped without an outer box will incur a restocking fee. You will be contacted through eBay if your return is ineligible for a full refund.

Returns must be initiated within 30 days from purchase date through your Purchase History under My eBay.

If we make an error in shipping, please contact us -- we will ship out the correct item and provide a free prepaid return label as quickly as possible!

Exchanges

If you need to exchange your order, the fastest and easiest way to do this is to reorder. We will ship your new order immediately and, in the meantime, please initiate a return through eBay on the original item and return it. We will refund for the returned item once it is received back.



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Company Details

365 Cycles
1180 Enterprise Rd
East Petersburg, PA 17520
United States

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