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We are a full-service machine shop specializing in performance Harley-Davidsons, dyno tuning, and CNC manufacturing.

Burning Nitro & Building Custom Since 1996.

Frequently Asked Questions

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M8 New Crankshafts
from $2,095.00

Lifetime warranty to original purchaser. New M8 cranks, custom electronic balance for your application. All new halfs, pin, rollers, Carrillo H Beam or S&S high quality Rods or Revolution performance rods.

For the ultimate rotating assembly, we need piston weights to get you dialed in on your custom balancing, and no core needed, with balancer and without options available.

AFTER PURCHASE IF YOU CHOOSE BALANCE OPTION

EMAIL SHOP WITH PISTON WEIGHTS

IF YOU ARE A SHOP INCLUDE CUSTOMER NAME

PLEASE MAKE NOTE IF YOU WANT BALANCER GEAR OR NOT

MAKE NOT ON EMAIL TO RETAIN BALANCER OR DELETE BAKANCER (we recommend leaving them in) 

"HI LIFTER" Chromoly Swingarm Kit 2009-2026
$1,250.00

Hi-Lifter Performance Bagger Swingarm (Harley Touring 09-22) Reduce unsprung weight, get more ground clearance, improve handling, and maintain perfect wheel alignment in high-torque, high-power applications with the A1 Cycles HI-LIFTER Performance Bagger Swingarm for Harley-Davidson touring models from 2009 to 2022. We designed the HI-LIFTER Performance Bagger Swingarm as an alternative to bulky, overly ridged, expensive aluminum swingarms for performance bagger riders in search of more lean angle and weight savings for better handling. The HI-LIFTER shaves 13 pounds of unsprung weight from your bagger. When paired with Öhlins Remote Reservoir Rear Shocks, or similar dampers, the HI-LIFTER helps your performance bagger achieve better overall traction and control.

The three-position shock absorber mounting block allows you to fine-tune your desired ride height. The HI-LIFTER works with shocks from 12" to 15" in length.  the rear mount is stock, middle is 1/2” rise, and front is 1” rise

Using the skinny axle option, the HI-LIFTER Performance Bagger Swingarm has the clearance needed to use a full-length exhaust system. No other performance bagger swingarm on the market offers the same capability.

  • Handcrafted 4130 chromoly swingarm

  • 48% weight savings vs. OEM swingarm and axle

  • Fits Harley-Davidson touring models from 2009 through 2022

  • 100% bolt-on design

  • Designed for use with high-torque, high-power big-bore motors

  • Can be used with OEM rear wheel, caliper, spacers, and shock absorbers

  • Allows the use of longer or shorter shocks to achieve the perfect ride height

  • Increased transmission/oil pan clearance vs OEM (15" maximum shock absorber length)

  • Retains the stock wheelbase

  • Includes hollow 4130 chromoly axle for additional weight savings

  • Optional skinny axle for additional full-length exhaust clearance

  • Billet block, aluminum axle adjusters for easy wheel adjustments and positive alignment

  • Includes caliper bracket for use with OEM calipers

  • Optional caliper bracket for use with 108mm axial calipers

  • PTFE® lined spherical bearings for long life and smooth operation

  • Interior swingarm width measures 10-7/8” at the axle

  • Accepts a 200 series rear tire on a 6.75” wide rim with chain conversion

  • Designed and manufactured in the USA

  • Black anodized or raw chromoly finish please use factory manual for install

NOTE: When used with 14" or 15" shocks, the swingarm sits at a greater downward angle. Depending on the exhaust system used, additional clearance around the muffler may be required to clear the axle. The "SKINNY AXLE" option assists with additional axle clearance on the right side of the motorcycle. A full-length muffler on the left side may require additional indexing to clear the axle nut.

Weight Savings

The OEM Harley-Davidson® touring swingarm weighs 22.78 lb. The OEM Harley-Davidson® axle adds an additional 3.55 lbs, for a total weight of 26.33 lbs.

The A1 Cycles HI-LIFTER Performance Bagger Swingarm, including axle and adjusters, weighs just over 12 lbs, providing a 51% weight reduction. It is the lightest performance bagger swingarm available. 

The Importance of Reducing Unsprung Weight

Unsprung weight is the part of your motorcycle that rises and falls over bumps and irregularities on the road. On the front of your motorcycle, the unsprung weight is the wheel, tire, brake discs, calipers, axle, and lower fork sliders. On the rear of your motorcycle, it is the wheel, tire, sprocket, brake disc, caliper, axle, and swingarm. The sprung weight is everything supported by the springs, including the frame, engine, fairing, bags, and rider.

The importance of unsprung weight is how it influences the suspension’s ability to keep your tires firmly planted on the pavement. When your wheel leaves the road after rolling over a surface irregularity (i.e., “wheel float”) in the middle of a bumpy turn, your bike jumps sideways. This happens because the tire completely loses its grip. In an extreme case, it can cause the bike to slide out from under you completely.

By reducing your motorcycle’s unsprung weight, it takes more speed to “float the tires” over a rough road, and when a tire does momentarily leave the road, it returns to full contact much sooner. This is because it takes less energy for the shock absorbers to push the tire back down to the road so it can regain traction. 

Ventilator with Dipstick 2017-2026 (Touring Only)
from $99.00

Our latest upgraded edition at no cost to you. No more carrying your dipstick in the saddlebag. Enjoy this simplified dipstick for setting the correct oil level. This does not fit soft tail models.

Choose between Black Wrinkle Finish or Machine Finished options.

Please allow 7-10 days for delivery.

Not EPA approved. For closed-course competition only. By purchasing this product, you agree to only use off road.

Watch our detailed tutorial on how to ship your cranks, transmissions and cases to A1 Cycles.

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