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Shimano RT-CL800 Lock Externo brake disc

42.99 €

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Features of Shimano RT-CL800 Lock Externo

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Specifications Shimano RT-CL800 Lock Externo

Features of Shimano RT-CL800 Lock Externo

Color Silver

Color

Silver

Recommended Use MTB Cycling

Recommended Use

MTB Cycling

Product Type Discs

Product Type

Discs

Brakes Type Disc Brake

Brakes Type

Disc Brake

Product description of Shimano RT-CL800 Lock Externo brake disc

Description summary

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With a focus on decreasing disc brake rotor heat deformation, the result of the new disc brake rotor is quieter than ever brake performance without sacrificing weight or heat dissipation.

Benefits:

- Quieter than ever, but with superb, consistent braking performance on any long, steep descents thanks to excellent heat dissipation
- The new arm shape is more robust, leading to quieter operation

Specifications:

- Disc brake rotor size: 140 mm
- Center Lock: Yes
- Ice Technologies: Yes
- Ice Technologies Freeza: Yes
- Average Weight: 97 (140 Mm)

Outside diameter (mm):
- 203
- 180
- 160
- 140

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8 Reviews

What our customers are saying about Shimano RT-CL800 Lock Externo brake disc

This Shimano RT-CL800 brake disc delivers superb stopping power and amazing braking performance. Featuring ICE Tech Freeza technology, it provides excellent heat dissipation, preventing overheating and warping for stable, reactive braking on long descents. Praised for its top Shimano quality, excellent finish, and low wear, this lightweight rotor (as light as 96g for 140mm) is a reliable upgrade that offers an immediate improvement in braking feel and consistency

Shimano RT-CL800 Lock Externo brake disc

Shimano

2025/04/03

Jenathan

Very good quality, perfect

Shimano RT-CL800 Lock Externo brake disc

Exceptional discs

2025/01/11

Paolo

Extraordinary discs, they make the difference when going downhill, where the braking remains reactive even after several km, pinching continuously. They do not overheat, top purchase

Shimano RT-CL800 Lock Externo brake disc

Very good record

2024/10/17

Frederic

Top Shimano quality, weight measured at 120 g A reliable purchase with good value for money

Shimano RT-CL800 Lock Externo brake disc

Excellente version de disque pour grx

2024/07/02

Côme

Excellent for replacing Shimano discs, brakes very well, diffuses heat well, not too expensive

Shimano RT-CL800 Lock Externo brake disc

Quality.

2024/05/30

Javier

Competitive price and good service. Excellent discs. I've also changed the pads and they work great. I noticed it immediately.

Shimano RT-CL800 Lock Externo brake disc

Best shimano disc i've ridden so far

2024/04/13

Markus

I have to say the brake disc is simply amazing. I use the 203mm size and the matching pads. The braking performance, heat dissipation and low wear are just good compared to the previous model. Even on longer descents the disc remains stable and does not warp

Shimano RT-CL800 Lock Externo brake disc

Good looking and effective disk

2024/02/16

Manu

Purchased the 140mm for rear wheel but 160mm was not available. Great quality and finish with superb stopping power with ICE Tech Freeza. Similar to RT-CL900 without the "thermal dissipation paint" applied to it. In that case the difference of price of nearly 20 EUR per disk is hard to justify. If you want to go for the black look some black marker would just work ;-)

Shimano RT-CL800 Lock Externo brake disc

Top level shimano

2023/01/18

Michele

Very light only 96 gr for the 140mm and 116 for the 160mm. Excellent finishing.

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Shimano RT-CL800 Lock Externo brake disc

Lock

2025/01/12

Guillermo

Hello, I´m new to disc brakes. I just got a bike with a Shimano Ultegra disc brake. It has 16s at the rear and I´d like to put 14s. Do you have the RT 800 model that suits me, but I don´t know what the external lock means? Thanks.

Answer of FCO. JAVIER

The discs are the same, one threads with a nut that is tightened with the cassette key and the other with the hollowtech key.

Answer of ANTONIO

Center lock, which means that it closes with a central nut. There are two types of nuts: the rear one that threads internally and the front one that closes with an external nut. The disc is the same at the rear as at the front. Change the tightening nut. It is important to know where you are going to mount the disc. Front, external thread and rear, internal thread. These discs work great for me although they are more expensive.

Shimano RT-CL800 Lock Externo brake disc

Center lock and pad closure

2024/04/22

massimo

Good morning, I´m ordering some "Shimano RT-CL800 Lock Externo Black 160 mm Brake Disc": I would like to have the key to tighten the ring nut and advice on the most appropriate brake pads to match. Thank you

Answer of Egidijus

These are the brake pads to match yours discs: Shimano L05A-RF Resin Ice-Tec Disc Brake Pads

Answer of Fortunato

Shimano B05S-RX brake pads; the key to tighten the discs I recommend this Shimano Unior Integrated Bottom Bracket Tool

Answer of Markus

L05A-RF Resin Ice-Tec disc brake pads

Answer of Manuel

For external nuts the tool to use is the same as a bottom bracket wrench. Shimano TL-FC32 or its equivalent would work. You can use either resin or metal pads with these rotors but you need to check the type of pads you require first.

Shimano RT-CL800 Lock Externo brake disc

Compatibility

2024/04/04

Pat

Hello, Can this disk replace the Sm-rt 800 ss? THANKS.

Answer of Egidijus

Yes it can replace as long as it has the same center lock hub

Answer of Markus

Hello. I am personally enthusiastic about it because the Shimano RT-CL800 is lighter than the Sm-rt 800, has better heat dissipation and does not warp on long descents like the Sm-rt 800. It is also a little less prone to wear and tear and with the right brake pads it has very strong braking power. So you can´t go wrong with it.

Answer of Benjamin

yes completely compatible, answering before I forgot to write, be careful if the closure has an internal ring (+thin) or external (+thick) you need to see/understand if the frame/fork has enough space for one ring or the other.

Shimano RT-CL800 Lock Externo brake disc

centerlock ring

2023/05/21

Joaquín

Does it include the external locking ring?

Answer of Jose david

Yes, they are very beautiful and elegant top-of-the-range records

Answer of LLUIS

Yes, it comes in an envelope

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