Shimano Rear Derailleur RD-M8120 XT SGS 12 speed Shadow Plus
- SGD 125
- SGD 125
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Description
xShimano Deore XT RD-M8120 brings XTR-trickle-down shifting precision, a rock-solid Shadow Plus stabilizer, and a massive 12-speed gear range to every trail you throw at it.
Shimano's Deore XT has been a trail staple for nearly three decades, and the RD-M8120 SGS keeps that legacy rolling strong. Built for 2x12-speed drivetrains, this long-cage derailleur handles a 10-45T cassette with fast, confident shifts across the full gear range. Hyperglide+ compatibility means you can keep pedaling through shifts even when the trail throws something unexpected at you.
The M8100 series brought a noticeably quieter drivetrain to the XT line, thanks to reduced tension in the lower gear positions and a bumper on the pulley cage that soaks up trail chatter. The larger 13T pulleys aren't just for show either. They boost chain wrap, improve efficiency, and keep things running smoothly whether you're spinning out a fire road or grinding up a loose, rocky climb.
Shadow Plus technology keeps the derailleur low-profile and tucked tight to the frame, while the on/off stabilizer switch dials in chain retention on rough terrain. No more chain slap, no more dropped chains on big hits. This is the kind of reliable, no-drama hardware that lets you forget about your drivetrain and just ride.
Why You'll Like It
That snap of a crisp, confident shift right when you need it most, dropping into the granny gear before a steep technical climb, is exactly what the RD-M8120 delivers every single time. If you're an all-mountain or enduro rider who demands a wide gear range, quiet operation, and a chain that stays put through rough and rowdy terrain, this derailleur has your back. It gives you near-XTR performance at a price that leaves money in the budget for trail snacks.
Key Features
- Shadow Plus low-profile design with on/off stabilizer switch eliminates chain slap and dropped chains on rough, technical terrain
- Larger 13T guide and tension pulleys increase chain wrap for faster, more efficient shifting across all 12 speeds
- Hyperglide+ technology enables smooth, load-bearing shifts so you can keep pedaling through gear changes mid-climb
- Compatible with Shimano 10-45T CS-M8100 cassette, delivering a massive gear range for 2x12 drivetrains
- Pulley cage bumper and reduced low-gear tension bring a noticeably quieter drivetrain without sacrificing performance
Returns & Refunds
xReturns
Our returns policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Apparels and shoes are not eligible for returns once they have been shipped out. We only accept returns if the item is eligible for a warranty claim or if the wrong item has been shipped to you. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Sale items
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@reevolution.sg and send your item to: 16 Morse Road, #209, Singapore, 01, 099228, Singapore.
Returns Shipping
To return your product, you should bring or mail your item to: 16 Morse Road, #209, Singapore 099228. You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We will not be responsible if we do not receive your returned item.
Refunds
Refunds will only be issued if the item is out of stock after the transaction is made. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
Returns
Our returns policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange. Apparels and shoes are not eligible for returns once they have been shipped out. We only accept returns if the item is eligible for a warranty claim or if the wrong item has been shipped to you. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. To complete your return, we require a receipt or proof of purchase. Please do not send your purchase back to the manufacturer. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Sale items
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.
Exchanges
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@reevolution.sg and send your item to: 16 Morse Road, #209, Singapore, 01, 099228, Singapore.
Returns Shipping
To return your product, you should bring or mail your item to: 16 Morse Road, #209, Singapore 099228. You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund. Depending on where you live, the time it may take for your exchanged product to reach you, may vary. If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We will not be responsible if we do not receive your returned item.
Refunds
Refunds will only be issued if the item is out of stock after the transaction is made. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund yet, please contact us.
Shipping & Return
xWithin Singapore
| Delivery Option | Below $80 | $80 and above | Delivery Time |
| In Store Pickup | Free | Free | - |
| Standard Delivery | $5 | Free | 4-7 working days |
| Express Delivery | $20 | $20 | Next Working Day |
Overseas
We ship worldwide using DHL Global Express. Simply enter your shipping address at checkout and you will receive the shipping quote.
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Retail
Come visit us and explore a handpicked selection of mountain biking essentials, from high-performance components and accessories to shoes and apparel designed for the trail. Whether you're upgrading your gear or starting fresh, we're here to help you find exactly what you need. As fellow riders, we love connecting with others who share the same passion for mountain biking.
Store Opening Hours
Monday to Friday: 11.30am - 7pm
Saturday: 11.30am - 6pm
Monday to Friday: 11.30am - 7pm
Saturday: 11.30am - 6pm
Address
16 Morse Road
#01-209
Singapore 099228
16 Morse Road
#01-209
Singapore 099228
Workshop
Our workshop is where your bike gets the care it deserves. We handle everything from routine tune-ups and expert repairs to custom wheel building and suspension tuning. Every bike we work on gets the same attention to detail and precision we’d give our own. Let us help you keep your bike performing at its best, so you can ride with confidence.
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