Sirris F43 CMX Front Fork for E Ride Pro SR
SKU: 53748985155

Sirris F43 CMX Front Fork for E Ride Pro SR

$1012.50 $1125.00
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Sirris F43 CMX Front Fork for E Ride Pro SRSIRRIS F43 CMX TUNE RIDE IT ONCE. REGRET EVERYTHING ELSE. F43 CMX THE WORLDS BEST COMPACT E MOTO FORK. PERIOD. An oversized, race built F43 chassis paired with our CMX tuned closed cartridge damper built for elite control, razor sharp handling, and unreal front end confidence. This is the strongest, most durable, highest performance fork available. You need to ride it to believe it. Its that good. BIKE FITMENT: E RIDE PRO SR Note: This fork also fits

SIRRIS F43 CMX TUNE

RIDE IT ONCE.
REGRET EVERYTHING ELSE.

F43 CMX

THE WORLD’S BEST COMPACT
E-MOTO FORK. PERIOD.

An oversized, race-built F43 chassis paired with our CMX-tuned closed cartridge damper — built for elite control, razor-sharp handling, and unreal front-end confidence. This is the strongest, most durable, highest performance fork available.

You need to ride it to believe it.
It’s that good.

BIKE FITMENT:

  • E RIDE PRO SR

Note: This fork also fits the E Ride Pro SS 3.0, it will feel quite a bit Stiffer on the SS 3.0 due to having heavier spring rates for a heavier weight bike. Please compare Spring rates to the E Ride Pro SS 3.0 CMX Offering

SPRING RATE CHART:

Sirris offers two weight ranges when selecting your CMX Tune F43 fork for E-Ride Pro SR. (Listed weight ranges are rider weight without riding gear on. 15 pounds of riding gear is calculated into the weight ranges)

140 lbs - 180 lbs  (Medium = 4.0/4.0 springs)
180 lbs - 220 lbs  (Heavy = 4.4/4.0 springs)
Fork spring rates listed above are left side/right side.

Installation Guide:

 

 

TOOL-FREE COMPRESSION ADJUSTERS

NEW FOR CMX — Allows for quick compression adjust without a screwdriver.
Enjoy nearly 30 clicks of quick external adjustability.

DIRECT MOUNT STEM

DM READY — New CMX fork is designed with a Direct Mount (DM) setup, so the stem you’re already using will bolt right up—no hassle, no extra parts.

DROP CLAMP OPTION

BIG WHEEL OPTIONAL — Allows for fitment of 21” wheel by raising the front end an additional 25mm while retaining 220mm travel. (Raising the front end maintains balance of the bike if paired with a longer shock that raises the rear)

NEW AXLE & BRAKE MOUNTS

ULTRA STIFF AND CONFIGURABLE — Axle and drop out assembly promotes front end feel and steering precision. Replaceable caliper mount brackets allow for caliper upgrades.

FORK SPECS:

Architecture
Upside down fork

Travel
220 mm

Free length
775 mm
(drop clamp option adds another 25mm of extended length)

Fork Spacing
178 mm - allows for unlimited tire choice (dirt or street)

Fork weight
4 kg per leg (driven by sturdy construction required for the forces and speeds encountered when pushing these bikes to their limits without compromising performance)

Stanchions
Ø43, high tensile steel with hard chrome

Outer tubes
Seamless 7050 aluminum, type 3 hard anodized coating

Drop outs
6061 aluminum, type 2 anodized coating
Replaceable caliper mount brackets allow for caliper and wheel upgrades

Axle
Ultra-high tensile hard chromed axle increases steering precision and confidence

Triple clamps
Billet 6061 aluminum, type 2 anodized coating
Optional drop clamp allows for 21” front wheel conversion

Steer tube 
Seamless 7050 aluminum, type 2 anodized coating

Damping
Symmetrical, adjustable closed cartridge with spring backed modified IFP

Damper bodies
Seamless 7050 aluminum, type 3 hard anodized coating

Rebound
Dual side high tensile steel spring, adjustable

Adjusters
External tool-free compression, rebound adjustment
(rebound adjusted using tool)

Seals
NOK MX seals 

Bushings
Daido MX bushings

Guards
High impact PP, 210-degree wraparound

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 53748985155

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RoMom
Waukegan, US
★★★★★ 5
Gorgeous But Size Up
Color: Burgundy (Stretch Fabric), Size: Small
The suit has a beautiful, rich burgundy color — truly eye‑catching and elegant. Unfortunately, the fit was a major issue. I recommend sizing up at least one size, especially if you have fuller thighs or glutes. The pants were very tight in the thigh and buttocks area, the vest didn’t cover the lower hip area, and the jacket sleeves ran short with a tight fit in the shoulders. Overall, the small felt more like a youth small rather than an adult small. Our set also did not include the pocket square as advertised, though it did come with a white dress shirt and a mini black tie with a matching pocket square. The material itself felt okay — not bad, but not great. We really wanted to love this suit because the color is gorgeous, but due to the sizing inconsistencies and missing item, we couldn’t keep it.
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Reviewed in the United States on May 20, 2026
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Gladys A. Colon
Lake Worth, US
★★★★★ 2
It stains white shirt
Color: Burgundy (Stretch Fabric), Size: Large
Nice suit, but Very dissatisfied the color is not fast. It stained my husbands white shirt when he used it for a recent event.
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Reviewed in the United States on January 27, 2026
S
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Shanterrius Austin
Belleville, US
★★★★★ 5
PUT IT ON
Size: Medium, Color: Red, Size: Medium, Color: Red
Everything about this suit is pure perfection—flawless fit, premium feel, and standout style. From the sharp tailoring to the fine details, it delivers confidence and class in every step. Whether for work or a special occasion, this suit truly exceeds expectations.
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Reviewed in the United States on May 2, 2026
L
Verified Purchase
LaShelle Lee
Louisville, US
★★★★★ 5
Impressive Quality and Style – A Perfect Prom Look!
Size: Small, Color: Maroon Collar Black
I purchased the YND Men's 3-Piece Slim Fit Tuxedo Suit Set for my son's prom, and I couldn’t be more thrilled with the results. From the moment he put it on, it was clear this suit was something special. The fit was absolutely sharp and flattering, perfectly hugging the frame without being too tight — just the right balance of tailored and comfortable. The material feels high-quality and looks even better in person — smooth, sleek, and polished. It held its shape beautifully throughout the night and gave my son a sophisticated, modern look that turned heads and earned him plenty of compliments. You can tell this suit is well-made with great attention to detail, from the stitching to the lining. It easily rivals much more expensive brands. I’m so impressed with the value and style that I’ll definitely be purchasing from this company again. If you're looking for a tuxedo that delivers elegance, confidence, and exceptional quality without breaking the bank — this is the one!
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Reviewed in the United States on May 10, 2025
A
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Amazon Customer
Charlottesville, US
★★★★★ 5
A Good Value
Size: Small, Color: Black, Size: Small, Color: Black
The suit is a good value. Ordered for senior prom for my son. He is 5’10 athletic build and between 165-170 lbs so we ordered the small since he wanted a slim fit and nothing that would be very loose. The suit fit him great, not too snug , the jacket has a satin finish on the lapel and edge of pockets which gives it an elevated elegant look. The jacket has an interior pocket but the rest are just for aesthetic as they do not open. I did have to cut a small slit in order to use the pocket square. The pants fit like a glove but you may want to size up if you are very muscular. The material is light weight which is perfect for prom season or warmer weather. The vest was oversized but we were not planning to use the vest anyway. Quality: several hanging threads that needed to be snipped but no big deal, the stitching was even and straight and the interior had piping of a complimentary fabric. After a full night of dancing and activities he did not have any issues with stitching breaking or splitting of seams. The buttons are black with a silver edge which give the suit some sophisticated flair but keep this in mind if you plan to style with gold. Overall, I am very pleased with this suit considering it’s price point. It’s perfect for a teen that will attend various senior events. Shipping took 2 weeks so plan accordingly and pay attention to the expected delivery date.
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Reviewed in the United States on May 8, 2022

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