Front Suspension, Fork Seals and Headrace Bearings



FRONT SUSPENSION  -  FORK SPRINGS


Many bikes have simple front suspension, with linear fork springs controlled by simple dampers formed by hollow fork legs which are part filled with oil.

Over time the springs weaken, and this weakening (combined with the views of many riders of japanese bikes that their forks are undersprung from new), means that fitting replacement fork springs after a reasonable mileage is important.

Replacement springs can be either linear or progressive. Linear springs are generally the choice of track/race riders, and off-road bikers, where the spring rating is constant and so the handling & roadholding are very predictable.

Progressive fork springs (pictured) are the normal upgrade choice for most road bikes. When the forks are fully extended, the springs are softer than standard, and the bike rides well over minor bumps. With larger bumps, diving on braking etc some of the spring coils close up, and the springs become harder (maybe 10% harder than the originals), improving rider comfort and control.

  • Progressive Spring Rates from 16/28lbs to 55/80lbs.
  • Sensitive on smoother surfaces.
  • Will absorb shocks from rougher surfaces.
  • Prevents suspension bottoming out.
  • Reduces front end dive.
  • Heavy duty springs available for some bikes.
  • Price from 82 per pair.
                        We sell fork springs from various manufacturers, including:
  • PROGRESSIVE
  • HAGON
  • HYPERPRO
  • K-TECH
  • BITUBO
  • IKON
  • FACTORY CONNECTION
Available for many bikes including:
  • Most Harleys
  • BMW R650,R80,R100,F650,K750,k100
  • HONDA CB,CBX,CBR,CX,FT,GL,NTV,ST,VF,VFR,VT,XBR,XL,XR.
  • KAWASAKI GPZ,GPX,Z,ZG,ZL,ZR,ZX,ZZR,EX,VN,KLR.
  • SUZUKI GT,GS,GSX,GSF,GSXR,DR,RG,SV,VL,VS,VX.
  • YAMAHA RD,XS,XT,XJ,SR,FJ,FZ,FZR,VMX.

                                Too many to list so please call for more details

E-Mail for a quote for your bike.

 

Want to lower the front end?

We can source several ranges of lowering fork spring kits, both traditional and the hassle-free "drop-in" kits. to lower the forks by up to two inches. These kits are mainly listed for Harleys. Prices from 135/pr






Monotube Cartridge Kits

For a major improvement in Harley Front suspension think about fitting a cartridge kit from Progressive. .

Cartridge kits basically upgrade your front suspension to match upgrades in rear suspension. Progressive make 3 ranges of cartridge kit. The starter range includes two separate enclosed dampers, each fitted with replacement fork springs, which replace all the standard fork internals and are very straightforward to fit. These are available for Harley FLH/FLT Tourers 1997-2013, Harley Softails 2000-2014, Harley Sportsters 2004-2014, plus Honda GL1800 and Kawasaki KLR650. Prices are from £258/pair delivered.

The second range is made for Harley Dynas with 49mm forks. For Dynas the kits are asymmetrical (pictured): one fork leg has a progressive spring complete with hand-adjusted preload adjustment, while the other fork leg contains an aluminium-bodied sealed cartridge damper.  The result is superior damping and ride control together with a good range of preload adjustability. Available at either standard height or 1-inch lowered, for Harley FXD Dynas 2006-2014. Not cheap but very good, from 349/pr.

And for 2014-on FLH/FLT Touring models, the asymmetrical kits are available with Progressive's FST-technology built in to the damper, to give even better front-end control due to the built-in intelligence which controls the damper action. It recognises the differences between low frequency and high frequency wheel movement and applies just the right amount of damping for every situation.  Only 489/pr.

 

 

FORK OIL SEALS

  • Fork Seals to Japanese OE standards.
Over 60 sizes stocked.Available for:

  • AJS 35mm tubes
  • APRILIA
  • BENELLI
  • BETA
  • BETOR/BULTACO 32mm,35mm,38mm.
  • BMW
  • CAGIVA
  • CERIANI
  • CZ
  • DUCATI
  • FANTIC
  • GILERA
  • HARLEY FX,XL/XLCH
  • HONDA
  • HUSQVARNA
  • KAWASAKI
  • KTM
  • MARZOCCHI 32,35,38,40,42mm.
  • MONTESSA 35mm
  • MORINI
  • MOTO GUZZI
  • MZ
  • OSSA
  • SUZUKI
  • TRIUMPH
  • YAMAHA

Price (all sizes) from 7.75 a pair. E-Mail for a quote for your bike.



TAPER ROLLER STEERING HEADRACE BEARINGS




Worn headrace bearings are a common cause of MOT failure and poor steering. These headrace kits replace worn or inefficient original set-ups.
  • Improved handling and stability.
  • Greater resistance to wear.
  • Easy to install.
  • Kits for many Japanese bikes. 35.00 inc post.
E-Mail for a quote for your bike.