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Shimano HB20 15/20mm Rotor Lockring

Item #: BR214K00
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Shimano HB20 15/20mm Rotor Lockring

Shimano HB20 15/20mm Rotor Lockring

Brakes are useless without a solid connection between hub and rotor. Use the Shimano HB20 15/20mm Rotor Lockring to keep your thing where ther should be in. Compatible with Shimano 15mm and 20mm thru axle center lock hubs.

Shimano HB20 15/20mm Rotor Lockring Specifications:

  • Actual weight: 10 grams
  • Shimano Centerlock rotor compatible
  • 15/20mm thru-axle compatible
  • Shimano Part # SM-HB20
4.2 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
3
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Shimano: Please include this with your rotors
Product works as intended. However, Shimano should do a better job (for them to figure out how) of relating that this is needed for a 15 mm axle. The lockring that they send you fits over the 12mm rear axle but not the front (Well it fits the front but you have to remove the axle to tighten the internally splined lockring). Not cool, man. You all know the scenario: Hey sweet! I got my new rotor, now I can finish my new hoops, mount 'em up and go ride.....No bueno because now I gotta wait another week for the proper lockring because even the lbs isn't even sure what the heck just happened.
May 8, 2016
Location:
Vermont
Works as intended, but should be included with rotors.
Jenson had the best price and shipped fast but On Trac Delivery, well... they're the worst. The package arrived in Phoenix the day after I placed the order and was marked "Out for delivery" . Great ! Next day delivery for the price of standard shipping, however the package never showed up. Same thing happened the next day so I contacted On-Trac and was basically given the brush-off. Then I contacted Jenson and they offered to overnight two more to me but they'd run out of stock. (apparently I bought the last two they had at the time) The lock rings finally arrived at my door three days after they had arrived in Phoenix. Jenson was great but On Trac Delivery... they are the worst !
September 6, 2016
Location:
Phoenix, AZ
Shimano quality, great price.
I needed a new rotor lock ring for a wheel I was building up and found this at Jensons. Ended up buying a spare because the price was good. I would definitely recommend these lock rings if they are what you need for your hubs.
March 15, 2017
Purchased
4 months ago
Location:
Mission Viejo, CA.
Does what it says
Not much to say about a centerlock rotor lockring. It screws on and stays tight. I did end up getting the Park Tool bottom bracket tool that fits it so that I could use a torque wrench on it. In my opinion, this lockring should come with the ICE Tech centerlock rotors (they only come with a smaller lockring for QR hubs).
November 27, 2016
Location:
Fort Collins, CO
15/20mm Thru Axel Lockring
Product does what it needs to, keeps my rotors in place with boost hubs. Simple to install and very lightweight.
July 7, 2016
Location:
Bellevue, WA
Good Quality part
Great service and prompt delivery
October 28, 2016
Location:
British Virgin Islands

Q & A

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Browse 1 question Browse 1 question and 1 answer
tool needed to install and remove sm-hb20 lockring?
A shopper on Apr 15, 2017
BEST ANSWER: The Park BBT-9 works great for these.
Park BBT-9 Bottom Bracket Tool
Park BBT-9 Bottom Bracket Tool

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Get free shipping with your $50 purchase today when you choose Standard Shipping at checkout. Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items

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Free Shipping Offer

Get free Standard Shipping with your $50 purchase today! Just choose Standard Shipping during checkout.

Please note this offer is only available to physical shipping addresses in the 48 continental United States (no PO Boxes), and oversize charges still apply on some heavy/large items.