Progressive fork springs kit to fit Bonneville SE + Bonneville 2015 with 17 inch cast alloy wheels

(57 customer reviews)

£70.00

TEC upgrade progressive fork springs kit with detailed instructions. Fits Triumph Bonneville SE all years and Bonneville models with 17″ cast alloy front wheel up to 2015.

Huge improvement in travel comfort and handling over stock springs.  See our reviews to see how happy people are with the performance.

Provides reduced crashing over bumps and less dive in braking.

Straight replacement for the standard liner triumph fork springs no mods required.  Comes with necessary spacers and detailed instructions. Can also be used with our for top ride height adjusters and fork emulator damping control valves for ultimate ride and adjust ability

Highly Recommended with our rear shock upgrades for a total transformation of your bikes comfort and handling or we offer a no quibble full refund!

12 month warranty

Quantity:
Darrin C.
October 29, 2025

Shocks up grade

Good price quality, very good time delivery as I live in Australia. Arrived a week half after ordering staff were prompt replying to a question I had good back up. , will buy again thanks bike tec. .

Lloyd B.
October 19, 2025

Great improvement to my 865SE

The kit arrived quickly and was packed well. The instructions were easy to follow, installation is quick and the quality of parts is very good. Now fitted the springs have softened up the front end just enough and the handling is improved. I'd recommend this uprade to any 865SE owner.

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Brian R.
May 19, 2025

Progressive springs like glue.

Since having fitted the progressive fork springs to my Triumph, I've found the bike holds the road a lot firmer and no more jumping about on pot holes etc. So a credit to the springs. Better than standard.

Mick P.
May 16, 2025

Progressive Fork springs

Very good quality, ride quality improved.

Peter T.
March 30, 2025

Progressive fork springs kit to fit Bonneville SE

Excellent product very pleased with the result and would recommend.

Tony L.
March 25, 2025

Just buy them!

Massive improvement when fitted and so easy to do. Changes the whole riding experience Just buy them

gary T.
January 27, 2025

progressive springs

absolutely fantastic ride now changed the rear to tec gas shocks now put progressive springs in the front forks very simple to do and makes a massive difference

Harry G.
November 25, 2024

Front Fork Springs

Fast delivery and well packed. These look good quality although not fitted yet.

Phil U.
November 16, 2024

Amazing Improvement & Comfort

Well who would have thought that such an easy modification would make such a noticeable difference! For so long now I have just tolerated the jarring sensation up through my arms from the front suspension until I was chatting to a guy I met at a biker cafe. He was admiring my lovely little Triumph Bonneville and commenting on the amount of bespoke work and changes I had made. He suggested that a further easy, and low cost, modification was to change the springs in my front forks to the TEC Progressive springs. So, £70 and a little bit extra for carriage, and the parcel arrived promptly, as they always do from TEC, and so with a degree of skepticism I set about swapping the springs out. The work itself was a doddle and only took about 30 minutes maximum so I had ample time to get out for a test ride. At first I wasn't sure if I was just selling it to myself because I know I had made the change (like your bike always goes better after a wash!) but after a few miles of travelling on familiar roads it soon became apparent that my ride was much smoother and enjoyable. 30 Miles, or so later, I had the biggest grin possible and was happy that my ride had improved no end. I would ABSOLUTELY recommend that you make this change. I cannot believe or understand why manufacturers wouldn't just do this as a matter of course. The cost difference has to be minimal to them. The slightly tighter wound coil that takes up about the first 4 inches of the spring absorbs all of the initial bumps riding smoothly through them, rather than over, before the main harder spring then kicks in if it needs to. Money well spent for me...

Anthony W.
May 13, 2024

A noticeable difference

2013 Bonneville 865 cast wheel. Original front end about the same as a pogo stick! Constantly bottoming out and clonking over bumps. When I changed I found that someone else had been in before me and used full length springs, they had no rebound damping effects whatsoever. Changed over to the TEC spring/spacer and also used the preload tops (I used these to lift the front a tad as I've put on slightly longer shocks on the back). What a difference! First time out was inspiring. An amazing difference at a brilliant price. Thank you TEC

Bob K.
December 16, 2023

Progressive fork springs

Usual impeccable service and delivery. Not fitted yet as i'm waiting for seals and dust covers for a fork overhaul but have every faith that these will be a big improvement on the existing ones.

Carlos A.
December 10, 2023

Excellent upgrade!

Now my Bonnie it's more comfortable It behaves much better in corners and on rough roads my eyes stay in place.

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Nicholas B.
December 4, 2023

Bonnie bits

Prompt delivery and well packed. The item looks good quality although I will be fitting over the upcoming festive break. I will probably be back for the rear shocks too.Thank you.

Alan K.
November 26, 2023

Progreesive fork springs.

Look well made. Arrived super quick but haven't had chance to fit them yet.Great customer service.

Paul H.
June 11, 2023

Progressive fork springs 2011 triumph Bonneville SE

Ordered pair of springs from NZ and they arrived about 5 days later which I was really surprised how quick they got here from the UK to NZ. Unfortunately I was sent the incorrect springs from my order. Emailed tec and they apologised and they sent the correct ones asap about a week later. Stripped the forks replaced all seals and new fork oil and the new springs. Road tested 10 _11 June 23 and a noticeable improvement in handling. Awesome customer service from tech and I will def recommend them to others. Will be buying the rear shocks from tec as soon as they are available. Paul from north island NZ.

David W.
April 21, 2023

Progressive front springs.

One of the simplest jobs to improve the Bonneville handling. However, the SE doesn't have the damper rod in the right fork leg, unlike other models. That did make fitting one step easier.

SYRE A.
March 16, 2023

bonjour , tout va bien , mise en service OK , a confirmer au fil des kilomètres mais la fourche semble plus douce. cordialement armand

andrew P.
February 15, 2023

Easy to fit

As I'd upgraded my rear shocks I thought I'd finish of the job with new front springs. Thanks to the great YouTube video it was a doddle and makes such a big difference 👌

Rob T.
January 21, 2023

SE Fork springs

Very prompt delivery. All parts well packed. Instructions very good. I think it is me but a plastic spacer maybe adequate but I decided to machine down the original steel spacer to the required length. Unfortunately weather has meant I have not been able to road test but will update when snow has gone.

ALAN T.
September 3, 2022

progressive fork upgrade

standard bonneville 865 forks were far too firm, the tec progressive spring up grade made a massive difference at a very reasonable cost and easy to install.

Timothy H.
August 20, 2022

New fork internals

Big thanks to tec online video and easy to follow instructions made fitting and set up of new progressive springs and preloaded adjusters a dodle, ride home from work after fitment was smoother, steering quicker, great upgrade, price great, product quality, 5*

Mark D.
August 7, 2022

Fork uphrafe

Very easy to fit I noticed an improvement over the stock springs. The next step is to experiment with preload adjustments to fine tune the set up. Next on the list is to fit fork valve emulators to rally fine tune the front end. Very pleased with the service Tec provides... keep it up

Tony M.
August 1, 2022

Great Service....as usual

Just fitted the Progressive fork springs & pre-load adjuster caps to my 2012 Triumph Bonneville SE, and the handling is much improved over the stock springs. No issues fitting, but I found the easiest way is to pad the tank and lay the handlebars on the padding as its easier to use the ratchet to tighten down the caps. Great Job. Well pleased now for the rear shocks....

William R.
June 10, 2022

Good

Easy to fit and made a difference.

Ian M.
May 9, 2022

Relatively easy to fit and makes a hugh difference to the comfort on the bike combined with the rear suspension upgrade. I was about to change the bike because of the ride quality but now it@s better than new. Should have done this ages ago!

John F.
October 23, 2021

Tec progressive fork springs

Haven't actually fitted them yet but look exactly like it says on the tin. They arrived very fast, well done Tec, great service.

Jim S.
June 19, 2021

Fitted the progressive springs, pre-load adjusters, cartridge emulators, and piggy-back rear shocks to my 2011 SE Bonnie. Just did a 200km fang around some of North Queensland's country roads and I couldn't be happier. Rough and damaged road surfaces just ironed out and the whole bike just feels planted. Well done TEC. Jim

Steve S.
April 7, 2021

Tec progressive fork springs

Great value for money, very well made, and has transformed the handling of the bike. Would recommend to anybody who is thinking of upgrading their suspension

David D.
March 20, 2021

5 star service from Tec

Purchased upgrade progressive fork springs for my 2010 Bonneville se, 5 STAR SERVICE, QUICK DELIVERY AND QUICK RESPONSE TO A QUESTION VIA EMAIL.(fitted today,very happy with the improvement. Perfect transaction, Highly recommended. Thanks, David

Graham S.
March 13, 2021

Very happy looking forward to giving them a thorough road test

Nick V.
March 1, 2021

Improved ride with progressive front fork springs

Easy to fit, not much money and there is a noticeable improvement in the ride without compromising handling. They have reduced the shock to my lower back quite noticeably. I guess the rear shocks aren’t having to do as much now with the front end absorbing more of the bumps and lumps....

Ray R.
February 13, 2021

Progressive fork springs kit to fit Bonneville SE

Great value & no compromise on quality. Excellent

Neil R.
February 9, 2021

Great service and delivery time, product quality looks great and was easy to fit, just need some decent weather to try them out!

Ian B.
December 30, 2020

new springs and adjusters

Excellent service and response, looking forward to fitting the new springs and adjusters to the bike. Looks like a quality product, had them before on the other Bonnie so know they'll make all the difference.

Gert V.
December 21, 2020

09 Bonnie

All for better performance! I had the tracker exhaust installed a few years ago so it’s time for the next improvement. Give’s me something to do over the winter.

Steven M.
October 23, 2020

Every thing spot on made a big difference to the handling.

Peter P.
September 28, 2020

Look top quality!unfortunately not been able to fit due to unknown previous upgrade!

Kevin R.
April 1, 2020

I love my 2013 Triumph Bonneville, but the front end was very springy when going over bumps. It meant I had to constantly fight for control at any speed I was travelling when I encountered a bump. These new fork springs are the best modification I have done to the bike. Coupled with the Tec preload adjusters, the ride is now super smooth; I barely notice any bumps or potholes on the uneven streets of London. All-in-all a great product at a ridiculously low price, especially when compared to other options on the market.

Roger J.
November 5, 2019

Fast service, springs posted by TEC bikes to me here in New Zealand and they arrived 14 days after ordering, excellent service. Product looks good, yet to fit to bike

Jonny W.
August 25, 2018

Positive improvement to the bikes handeling and super easy to fit! Great service from TEC as always! Thanks

Stefano M.
August 15, 2018

Simply outstanding!! I’ve had my bonnie for 5 years now and done loads of mods but this one I should’ve done first.... Improves the comfort, the handling and gives a lot more confidence in the corners. Thanks!!

Robert C.
May 12, 2017

I bought these springs at the Classic Bike Show and was assured that they work. Well I was dubious to say the least, but I have to admit they work and what an improvement they make. They are worth every penny. The improvement in the ride is massive and now that I've uprated the rear shocks the improvement makes the suspension work like it should do. Thanks again Chaps.

Rizz
May 8, 2016

Got these for my '09 bonneville followed the clear instructions to fit and very happy with the much smoother handling and ride performance over oem one's. Big thank you to George.

Christopher Y.
October 28, 2015

Delivery spot on. Front springs well worth changing. Also fitted rear shocks. The bike is much nicer to ride. Well worth the money. Very pleased with both items. Makes riding the bike

stuart W.
October 9, 2015

I ordered these fork springs and they came the next day, great service, I fitted them and the difference is better than I expected, the ride is a lot smoother than the OE parts, Well worth the money

Perry J.
September 23, 2015

Fitted a pair of these yesterday, along with the standard rear shock upgrades - transformed the bikes handling and comfort. Excellent product!

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