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
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Shipping Information
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Usually ships within 24-48 hours
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I thought it would come with the front and the rear because it showed the fron and the bakx in the picture. but it only came with the rear and with no tire rods.
These were so easy to install that I thought i did it wrong until I turned the light on from the bike. These are the perfect upgrade to the stock light
The Gigigo gi02 is an incredible upgrade from the stock light. The deal breaker for me is you have to power on the handle bar switch then push power button on the top of the light. This is easy fixed by soldering a jumper across the power button on top of the Gigigo gi02. After soldering a jumper the light will turn on low beam at full power. You will still need to push the high beam on top of the light. (Mod at your own risk)
My order was filled promptly and accurately, and was shipped in a timely manner. No complaints there. However after receiving my order, I had a couple follow up questions. I called several times and always got a recording- no one ever answered. I left a message stating who I was and that I had a couple of questions about my order. No one has ever called me back.
These brakes perform so much better than the original stock brakes on the Talaria XXX Pro. The difference is amazing. Now the Talaria has reliable positive brake control with so much better grip than before.
We picked the gold color, which looks great on the black bike. Highly recommended if you have the budget.
