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Riding an e-MTB means putting serious torque through your drivetrain on every climb and every rock garden exit. A cheap or worn chainring will let the chain skip or drop at exactly the wrong moment, turning a great ride into a frustrating one. The E*Thirteen E*Spec was built specifically for the demands of Shimano EP8 and E8000 motors, so the fit is dialed from the start and the ring handles the extra load without complaint.
The heart of the E*Spec is E*Thirteen's M3 narrow-wide tooth profile. Alternating tooth widths grab the chain and hold it in place even when the motor is hammering and the trail is getting rough, while the design also trims weight compared to older, beefier profiles. The result is a ring that is both lighter and more retentive than what came stock on a lot of bikes. Riders who have switched to it consistently note how much quieter the drivetrain becomes, which is a real quality-of-life upgrade on long days in the hills.
Machined from 7050 aluminum, the E*Spec is built to last through season after season of hard use without turning into dead weight. It mounts directly to Shimano STEPS motor arms, making installation clean and straightforward. Whether you are running an 11-speed or 12-speed drivetrain, this ring plays well with both.
Your chain stays put when the motor surges on a punchy climb or when you land a gap and the drivetrain suddenly loads back up, and that reliability is what makes this ring worth every penny. If you push your e-MTB hard on technical all-mountain or enduro terrain and you are tired of babying your drivetrain, the E*Spec gives you one less thing to think about. It drops right onto your Shimano EP8 or E8000 motor and works quietly in the background while you focus on sending it.
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.
Only regular-priced items can be refunded. Sale items cannot be refunded.
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.
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.
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.
If you haven't received your refund yet:
If you've done all of this and still haven't received your refund, please get in touch.
Free standard delivery on orders SGD 80 and above within Singapore.
| Delivery option | Orders below SGD 80 | SGD 80 and above | Delivery time |
|---|---|---|---|
| In-store pickup | Free | Free | Collect in store |
| Standard delivery | SGD 5 | Free | 4–7 working days |
| Express delivery | SGD 20 | SGD 20 | Next working day |
Collect your order from our store at 16 Morse Road, #01-209, Singapore 099228.
Monday to Friday: 11.30am – 7pm
Saturday: 11.30am – 6pm
We ship overseas on request. Contact us with your address and the items you'd like, and we'll send you a shipping quote.
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