Big Twin Suspension

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      118 products
      The TC Bros. Extended Fork Tube Kit +6" 39mm for Sportster/ Dyna Narrow Glide features a Hard Chrome Finish on its Fork Tubes, providing a sleek and durable look.
      Fitment Notes: TC Bros. Extended Fork Tube Kit +6
      TC Bros.
      Extended Fork Tube Kit +6" 39mm for Sportster/ Dyna Narrow Glide
      $249.95
      118 reviews
      The TC Bros. Extended Fork Tube Kit +8" 39mm for Sportster/ Dyna Narrow Glide fits the Harley-davidson Sportster XL and the Fork Tubes XR650R xr650r x.
      TC Bros. Extended Fork Tube Kit +8
      TC Bros.
      Extended Fork Tube Kit +8" 39mm for Sportster/ Dyna Narrow Glide
      $249.95
      92 reviews
      The TC Bros. Extended Fork Tube Kit +4" 39mm for Sportster/ Dyna Narrow Glide features a Hard Chrome Finish on the Fork Tubes for a sleek and stylish look.
      Two TC Bros. Extended Fork Tube Kit +4
      TC Bros.
      Extended Fork Tube Kit +4" 39mm for Sportster/ Dyna Narrow Glide
      $249.95
      45 reviews
      A set of TC Bros. Extra Narrow Triple Tree Set for 1988-2003 Harley Davidson 39mm Narrowglide, including narrow triple trees for a chopper front end.
      A TC Bros. Extra Narrow Triple Tree Set for 1988-2003 Harley Davidson 39mm Narrowglide is parked on a wooden floor in a garage.
      TC Bros.
      TC Bros. Extra Narrow Triple Tree Set for 1988-2003 Harley Davidson 39mm Narrowglide
      $399.95
      A pair of black Drag Specialties Premium Ride-Height Adjustable Shocks with adjustable spring preload and ride-height adjustability on a white background.
      Drag Specialties
      Premium Ride-Height Adjustable Shocks - 1991-2017 Dyna 13" Black
      $363.95
      A TC Bros. Fork seal kit with Gold Titanium Nitride Coated Fork Tubes "Stock Length" 49mm for FXD/FXDWG Dyna Wide Glide and o-rings for a motorcycle.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "Stock Length" 49mm for FXD/FXDWG Dyna Wide Glide
      $374.95
      8 reviews
      TC Bros. offers TC Bros. e-gift cards for motorcycle enthusiasts.
      TC Bros.
      TC BROS. GIFT CARD
      from $10.00
      A Race Tech Suspension rear suspension kit with firm springs designed for Sportster scrambler and Harley off road bikes.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit (.95KG) Fits Sportster & Dyna 39mm
      $349.99
      3 reviews
      A pair of Extended Fork Tubes +2" 39mm for Sportster/ Dyna Narrow Glide with a Hard Chrome Finish for a motorcycle by TC Bros.
      Two TC Bros. Extended Fork Tubes +2
      TC Bros.
      Extended Fork Tubes +2" 39mm for Sportster/ Dyna Narrow Glide
      $249.95
      16 reviews
      A set of TC Bros. Gold Titanium Nitride Coated Fork Tubes Stock Length 39mm for Sportster/ Dyna Narrow Glide on a white background.
      A TC Bros. Gold Titanium Nitride Coated Fork Tubes Stock Length 39mm for Sportster/ Dyna Narrow Glide motorcycle parked in front of a building.
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes Stock Length 39mm for Sportster/ Dyna Narrow Glide
      $374.95
      16 reviews
      Progressive Suspension 39mm Heavy Duty Fork Spring Kit For Harley 1988-2020.
      Progressive Suspension
      Progressive 39mm Heavy Duty Fork Spring Kit For Harley 1988-2020
      $126.95
      A set of TC Bros. Gold Titanium Nitride Coated Fork Tubes "+2" Length" 49mm for FXD/FXDWG Dyna Wide Glide for a motorcycle.
      A close up of a TC Bros. Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "+2" Length" 49mm for FXD/FXDWG Dyna Wide Glide
      $374.95
      11 reviews
      A blue hose with a black handle, designed to be used as a Motion Pro Steering Bearing Race Install/Removal Tool for Harley Davidson Motorcycles' Steering Bearing Race.
      A blue and black Motion Pro nut and bolt set for a Harley Davidson motorcycle, including the Steering Bearing Race Install/Removal Tool for the steering bearing race.
      Motion Pro
      Steering Bearing Race Install/Removal Tool For Harley Davidson Motorcycles
      $114.99
      A set of black DLC Coated Fork Tubes "Stock Length" 49mm for 2018-UP M8 Softail hoses and seals on a white background. (Brand: TC Bros.)
      A red motorcycle, specifically a Black DLC Coated Fork Tubes
      TC Bros.
      Black DLC Coated Fork Tubes "Stock Length" 49mm for 2018-UP M8 Softail
      $499.95
      A pair of TC Bros. Extended Fork Tube Kit +6" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83) rods and seals for a motorcycle that fits Ironhead Sportster.
      Two Extended Fork Tube Kit +6
      TC Bros.
      Extended Fork Tube Kit +6" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83)
      $249.95
      12 reviews
      A pair of TC Bros. Extended Fork Tube Kit +4" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83) stainless steel rods with a Hard Chrome finish fitment and seals for a motorcycle.
      Two TC Bros. Extended Fork Tube Kit +4
      TC Bros.
      Extended Fork Tube Kit +4" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83)
      $249.95
      4 reviews
      A set of TC Bros. fork tubes with a hard chrome finish and the appropriate fitment for a FXD/FXDWG Dyna Wide Glide motorcycle.
      Two TC Bros. Fork Tubes Chrome +4
      TC Bros.
      Fork Tubes Chrome +4" Length 49mm for FXD/FXDWG Dyna Wide Glide
      $249.95
      7 reviews
      A pair of TC Bros. Fork Tubes Stock Length Chrome 49mm for FXD/FXDWG Dyna Wide Glide and o-rings for a motorcycle.
      Two TC Bros. Fork Tubes Stock Length Chrome 49mm for FXD/FXDWG Dyna Wide Glide on a white background.
      TC Bros.
      Fork Tubes Stock Length Chrome 49mm for FXD/FXDWG Dyna Wide Glide
      $249.95
      6 reviews
      A pair of TC Bros. Gold Titanium Nitride Coated Fork Tubes "Stock Length" 49mm for 2018-UP M8 Softail and seals.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "Stock Length" 49mm for 2018-UP M8 Softail
      $374.95
      A set of Moto Iron® 39mm Fork Seal Kit Fits 39mm Narrow Glide Sportster/Dyna rubber seals for the front ends of a Harley motorcycle.
      A set of Moto Iron® 39mm Fork Seal Kit Fits 39mm Narrow Glide Sportster/Dyna, specifically designed for Harley front ends.
      Moto Iron®
      39mm Fork Seal Kit Fits 39mm Narrow Glide Sportster/Dyna
      $26.95
      19 reviews
      A pair of TC Bros. Extended Fork Tube Kit +8" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83) with a Hard Chrome Finish.
      Two TC Bros Extended Fork Tube Kits +8
      TC Bros.
      Extended Fork Tube Kit +8" 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83)
      $249.95
      10 reviews
      Assorted suspension parts, including the Race Tech Gold Valve & Fork Spring Kit - 49mm (1.10 kg) for Touring, Dyna, V-Rod Models and hardware, isolated on a white background.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit - 49mm (1.10 kg) for Touring, Dyna, V-Rod Models
      $349.99
      A black Progressive Suspension 412 Series Shocks 13" Standard coil spring on a white background, fitting perfectly with the Harley-Davidson Sportster and FXR motorcycles.
      Progressive Suspension
      Progressive 412 Series Shocks 13" Standard, Big Twin and 77-03 Sportster
      $344.95
      A black and blue 39mm Ringer Fork Seal Driver with an innovative design and a blue Motion Pro handle.
      A person holding a Motion Pro 39mm Ringer Fork Seal Driver.
      Motion Pro
      39mm Ringer Fork Seal Driver
      $52.99
      Drive shaft with cv joints and related components for Wyatt Gatling Swingarm Rebuild Kit For '82-94 FXR and '82-'01 FLT.
      Wyatt Gatling
      Swingarm Rebuild Kit For '82-94 FXR and '82-'01 FLT
      $228.97
      A set of Hidden Internal Fork Stop Kits for Harley-Davidson motorcycles by Pro-One.
      Pro-One
      Hidden Internal Fork Stop Kit for Harley Davidson Models
      $94.95
      A blue and black rim with a Motion Pro 49mm Ringer Fork Seal Driver on a white background.
      A person with blue gloves uses a Motion Pro 49mm Ringer Fork Seal Driver for a no-slip grip while holding a pipe.
      Motion Pro
      49mm Ringer Fork Seal Driver
      $52.99
      A bottle of Maxima Fork Suspension Oil 20Wt. 1 Quart on a white background.
      Maxima
      Fork Suspension Oil 20Wt. 1 Quart
      $16.49
      9 reviews
      Two Performance Machine - Black 49MM Fork Dust Caps on a white background.
      Performance Machine
      Performance Machine - Black 49MM Fork Dust Cap fits '06-'17 Dyna, '18-Up M8 Softail Models
      $60.95
      A Custom Fork Brace for Harley Narrow Glide Front End - Black bracket on a white background.
      Mid-USA
      Custom Fork Brace for Harley Narrow Glide Front End - Black
      $79.95
      7 reviews
      A set of Wyatt Gatling Chrome Neck Cup Kit With Hidden Fork Stop 1949-1987 Harley-Davidson Big Twins.
      Wyatt Gatling
      Chrome Neck Cup Kit With Hidden Fork Stop 1949-1987 Harley-Davidson Big Twins
      $78.78
      A set of black hoses and seals for a motorcycle, including TC Bros. Black DLC Coated Fork Tubes "+2" Length" 49mm for 2018-UP M8 Softail.
      A black DLC coated TC Bros. motorcycle is parked in a parking lot.
      TC Bros.
      Black DLC Coated Fork Tubes "+2" Length" 49mm for 2018-UP M8 Softail
      $499.95
      A set of Patriot Suspension - 39mm Genesis Series Fork Spring Kit by Patriot Suspension on a white background.
      Patriot Suspension
      Patriot Suspension - 39mm Genesis Series Fork Spring Kit
      $223.95
      A Mid-USA Tapered Steering Neck Bearing (Sold Ea) on a white background.
      A Mid-USA Tapered Steering Neck Bearing (Sold Ea) all models, FX & FXR all years, Sportster 82-up HD# 48300-60 on a white background.
      Mid-USA
      Tapered Steering Neck Bearing (Sold Ea)all models, FX & FXR all years, Sportster 82-up HD# 48300-60
      $12.95
      9 reviews
      A pair of black Legend Suspensions Revo FL motorcycle shock absorbers.
      A pair of black Legend Suspensions Revo FL motorcycle shock absorbers.
      Legend Suspensions
      Revo FL Shocks - Black - Heavy-Duty Springs - 13" - FL '99-'24
      $799.95
      A set of Patriot Suspension - 49mm Genesis Series Fork Spring Kit on a white background.
      Patriot Suspension
      Patriot Suspension - 49mm Genesis Series Fork Spring Kit
      $259.95
      A Moto Iron® Fitment set of 49mm Fork Seal Kit Fits Milwaukee 8 M8 Softail Harley for a Milwaukee 8 motorcycle.
      Moto Iron®
      49mm Fork Seal Kit Fits Milwaukee 8 M8 Softail Harley
      $29.95
      A set of TC Bros. Extended Fork Tube Kit Chrome +2" Length 41mm for FXST/ FXDWG Dyna Wide Glide with hard chrome plating on a white background.
      Two TC Bros. Extended Fork Tube Kit Chrome +2
      TC Bros.
      Extended Fork Tube Kit Chrome +2" Length 41mm for FXST/ FXDWG Dyna Wide Glide
      $249.95
      2 reviews
      A set of TC Bros. chrome fork tubes with a hard chrome finish on a white background.
      Two TC Bros. Fork Tubes Stock Length Chrome 41mm for FXST/ FXDWG Dyna Wide Glide with a hard chrome finish on a white background.
      TC Bros.
      Fork Tubes Stock Length Chrome 41mm for FXST/ FXDWG Dyna Wide Glide
      $249.95
      A pair of Premium Ride-Height Adjustable Shocks - 1991-2017 Dyna 12" Black by Drag Specialties for a motorcycle, featuring adjustable spring preload and custom mounting capability.
      Drag Specialties
      Premium Ride-Height Adjustable Shocks - 1991-2017 Dyna 12" Black
      $356.95
      Assorted hardware components including springs, Race Tech Suspension Gold Valve & Fork Spring Kit - 49mm (1.00 kg) for Touring, Dyna, V-Rod Models, washers, nuts, bolts, and a cylindrical rod on a white background.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit - 49mm (1.00 kg) for Touring, Dyna, V-Rod Models
      $349.99
      Disassembled mechanical parts, likely from a piece of hardware, arranged in order on a white background, including elements aimed at enhancing suspension performance with Race Tech Suspension's Gold Valve and Fork Spring Kit - 49mm (.95 kg) for Touring, Dyna, V-Rod Models.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit - 49mm (.95 kg) for Touring, Dyna, V-Rod Models
      $349.99
      A set of Gold Titanium Nitride Coated Fork Tubes "Stock Length" 41mm for FXST/ FXDWG Dyna Wide Glide, manufactured by TC Bros., with gold-plated piston rods and seals.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "Stock Length" 41mm for FXST/ FXDWG Dyna Wide Glide
      $374.95
      5 reviews
      A set of Chrome Steering Neck Cup Kit For Harley Davidson Big Twins bolts, nuts, and washers for a bicycle dust cover set by Wyatt Gatling.
      Wyatt Gatling
      Chrome Steering Neck Cup Kit For Harley Davidson Big Twins
      $83.23
      A set of Wyatt Gatling Chrome Neck Cup Kit w/ Fork Stops for Harley Davidson Big Twins on a white background.
      Wyatt Gatling
      Chrome Neck Cup Kit w/ Fork Stops for Harley Davidson Big Twins
      $77.07
      A pair of TC Bros. Fork Tube Kit Stock Length 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83) sprockets and seals on a white background.
      Two TC Bros. Fork Tube Kit Stock Length 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83) on a white background.
      TC Bros.
      Fork Tube Kit Stock Length 35mm for Ironhead Sportster (XL 75-83) & Super Glide (FX 76-83)
      $249.95
      3 reviews
      A 49mm Fork Seal Kit for Dyna/Touring Wide Glide motorcycles, includes a set of rubber seals and rings manufactured by James Gaskets.
      James Gaskets
      49mm Fork Seal Kit Fits 49mm Dyna/Touring Wide Glide Front Forks
      $31.95
      A pair of high quality 39mm Fork Boot Gaiters for Harley Models - 7" Long by Drag Specialties on a white background.
      Drag Specialties
      39mm Fork Boot Gaiters for Harley Models - 7" Long
      $28.95
      Two metallic, circular washer-like objects with a reflective surface, similar to the Upper and Lower Fork Stem Dust Shield Covers for Harley Davidson by Moto Iron®, are positioned on a white background. One is larger than the other, reminiscent of the Timken style steering stem bearings often used in Big Twin and Sportster models.
      Moto Iron®
      Upper and Lower Fork Stem Dust Shield Covers for Harley Davidson
      $12.95
      A Drag Specialties Fork Rebuild Kit With Bushings - 49mm - 2006-2017 Dyna of bearings and seals for a motorcycle.
      Drag Specialties
      Fork Rebuild Kit With Bushings - 49mm - 2006-2017 Dyna
      $93.95
      A set of Gold Titanium Nitride Coated Fork Tubes "+4" Length" 49mm for FXD/FXDWG Dyna Wide Glide and seals by TC Bros. for a motorcycle.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "+4" Length" 49mm for FXD/FXDWG Dyna Wide Glide
      $374.95
      5 reviews
      A set of brass hoses and seals with TC Bros.'s Gold Titanium Nitride Coated Fork Tubes "+2" Length" 41mm for FXST/ FXDWG Dyna Wide Glide for a motorcycle.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "+2" Length" 41mm for FXST/ FXDWG Dyna Wide Glide
      $374.95
      Assorted suspension components including springs, washers, bushings, and a Race Tech Gold Valve & Fork Spring Kit - 49mm (1.30 kg) for Touring, Dyna, V-Rod Models from Race Tech Suspension.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit - 49mm (1.30 kg) for Touring, Dyna, V-Rod Models
      $349.99
      Assorted Race Tech Suspension front-end suspension parts including a white tube, springs, bushings, and washers on a white background.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit - 49mm (1.50 kg) for Touring, Dyna, V-Rod Models
      $349.99
      Assorted mechanical springs, including Race Tech Suspension Gold Valve & Fork Spring Kit (.80KG) Fits Sportster & Dyna 39mm, and fasteners displayed on a white background optimized for suspension performance.
      Assorted mechanical springs, including Race Tech Suspension Gold Valve & Fork Spring Kit (.80KG) Fits Sportster & Dyna 39mm, and fasteners displayed on a white background optimized for suspension performance.
      Race Tech Suspension
      Race Tech Gold Valve & Fork Spring Kit (.80KG) Fits Sportster & Dyna 39mm
      $349.99
      A set of TC Bros. Gold Titanium Nitride Coated Fork Tubes "+2 Length" 49mm for 2018-UP M8 Softail, including Gold Titanium Nitride Coating.
      A pair of Gold Titanium Nitride Coated Fork Tubes
      TC Bros.
      Gold Titanium Nitride Coated Fork Tubes "+2 Length" 49mm for 2018-UP M8 Softail
      $374.95
      A Mid-USA chrome handlebar bracket made of 3/16" thick steel, with a Custom Fork Brace for Harley Narrow Glide Front End - Chrome.
      Mid-USA
      Custom Fork Brace for Harley Narrow Glide Front End - Chrome
      $79.95
      A set of black rubber Moto Iron® seals and 41mm Fork Seal Kit for Harley FXST FXDWG FLST FL.
      A set of black rubber seals and Moto Iron® 41mm Fork Seal Kit for Harley FXST FXDWG FLST FL.
      Moto Iron®
      41mm Fork Seal Kit for Harley FXST FXDWG FLST FL
      $29.95
      A pair of copper-colored circular metal rings with a small gap, identified as 39mm Fork Tube Bushings .588" wide OEM#45461-87 (99-05 Dyna 88-15 Sportster) from Moto Iron®, are displayed on a plain background.
      Moto Iron®
      39mm Fork Tube Bushings (pair) .588" wide OEM#45461-87 (99-05 Dyna 88-15 Sportster)
      $12.95
      8 reviews
      A bottle of Maxima Premium V-Twin Fork Oil on a white background.
      Maxima
      Maxima Premium V-Twin Fork Oil - 10wt - 1 quart
      $16.49
      Suspension Upgrades for Harley Big Twin Motorcycles. The Big Twin Suspension collection at TC Bros is built for riders who demand superior handling, comfort, and style for their Harley-Davidson Big Twin motorcycles. This category features premium shocks, springs, and suspension components designed to enhance performance and ride quality. Perfect for models like Softails, Dynas, and Touring bikes, these parts are crafted with precision engineering and durable materials to handle the toughest roads and sharpest turns. Whether you're upgrading your factory suspension or customizing your ride, TC Bros suspension solutions deliver the reliability and performance you need to ride with confidence.