Shimano disc brake rotor with sleek design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shimano disc brake rotor with sleek design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shimano disc brake rotor with sleek black and silver design for mountain bikes
Shop Shimano

Shimano Rotor Saint/XTR RT-CL900 Centrelock External Serration

S$122
S$122
.
Low stock, less than 5 left
Diameter: 180mm
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Description
Description
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Shimano RT-CL900 Saint/XTR Centrelock Rotor keeps your braking ice-cold, whisper-quiet, and fade-free from the top of the mountain to the bottom.

The Shimano RT-CL900 is Shimano's top-tier mountain bike rotor, shared across the Saint and XTR lineups, and it was built with one obsession: killing brake fade before it kills your run. The secret weapon is ICE Technologies Freeza, a three-layer sandwich of stainless steel and an aluminium core that drops rotor temperatures by up to 100°C, with extended FREEZA aluminium cooling fins cutting a further 50°C on top of that. Add a heat-dissipation coating and a purpose-engineered 3D aluminium carrier that resists warping under sustained hammering, and you've got a rotor that stays consistent lap after lap, descent after descent.

The RT-CL900 also took aim at the other great enemy of disc brakes: noise. The redesigned arm profile is stiffer and more robust than previous Shimano rotors, reducing the lateral flex that causes that familiar pad-contact chatter and scraping. The result is braking that is quieter than ever without giving up a gram of stopping authority. Available in 140mm through 203mm sizes, it suits everything from XC whippets to big-bike park sleds. The external serration Centrelock lockring means you can swap it out fast with a standard external spline tool, which is a small thing until you are in the pits between stages.

Why You'll Like It

That moment when you're pinned into a long, rocky chute and your brakes just keep biting cleanly, no fade, no squeal, no drama, is exactly what the RT-CL900 is engineered to deliver. If you ride Saint or XTR brakes and want a rotor that matches their pedigree, this is the one to spec. The external serration Centrelock fitment keeps swaps quick and hassle-free, so you spend less time in the workshop and more time sending it.

Key Features

  • ICE Technologies Freeza three-layer construction reduces rotor temperature by up to 150°C combined, keeping braking consistent on the longest descents
  • Optimised 3D aluminium carrier resists heat deformation and warping for more reliable, controllable stopping power run after run
  • Redesigned stiffer arm profile reduces lateral flex and virtually eliminates brake noise even under hard braking loads
  • Centrelock external serration interface installs and removes quickly with a standard external spline tool, lockring included
  • Available in 140mm, 160mm, 180mm, and 203mm to suit XC, trail, enduro, and gravity setups
Returns & Refunds
Returns & Refunds
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At a glance

  • Returns accepted within 30 days of purchase
  • Items must be unused, in original packaging, with a receipt or proof of purchase
  • Apparel and shoes can't be returned once shipped
  • Sale items can't be refunded
  • Return shipping is paid by the customer and is non-refundable

Returns

Our returns policy lasts 30 days. If more than 30 days have passed since your purchase, we're unable to offer a refund or exchange. Apparel and shoes are not eligible for return once they have been shipped out.

We accept returns if the item is eligible for a warranty claim or if the wrong item was shipped to you. To be eligible, your item must be unused, in the same condition you received it, and in its original packaging. A receipt or proof of purchase is required.

Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we'll email you to confirm.

Sale items

Only regular-priced items can be refunded. Sale items cannot be refunded.

Exchanges

We replace items only if they are defective or damaged. To exchange an item for the same one, email us at info@reevolution.sg and send the item to 16 Morse Road, #01-209, Singapore 099228.

How to return an item

  1. Email us at info@reevolution.sg with your order details.
  2. Bring or mail the item to 16 Morse Road, #01-209, Singapore 099228.
  3. We'll inspect your item and email you once it's received.

You are responsible for the cost of return shipping, and shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from it. For valuable items, we recommend a trackable shipping service or shipping insurance, as we can't be responsible for returns we don't receive.

Refunds

Once your return is received, inspected and approved, your refund will be processed to your credit card or original method of payment. A refund will also be issued if an item turns out to be out of stock after your order is placed. How long it takes to appear depends on your bank or card provider.

Late or missing refunds

If you haven't received your refund yet:

  1. Check your bank account again.
  2. Contact your credit card company, as it may take some time before the refund is officially posted.
  3. Contact your bank. There is often some processing time before a refund is posted.

If you've done all of this and still haven't received your refund, please get in touch.

Contact us

Shipping & Return
Shipping & Return
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Free standard delivery on orders SGD 80 and above within Singapore.

Delivery within Singapore

Delivery optionOrders below SGD 80SGD 80 and aboveDelivery time
In-store pickupFreeFreeCollect in store
Standard deliverySGD 5Free4–7 working days
Express deliverySGD 20SGD 20Next working day

In-store pickup

Collect your order from our store at 16 Morse Road, #01-209, Singapore 099228.
Monday to Friday: 11.30am – 7pm
Saturday: 11.30am – 6pm

Overseas shipping

We ship overseas on request. Contact us with your address and the items you'd like, and we'll send you a shipping quote.

Request a shipping quote

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