Not fitted yet but happy with the price and service.
400x sproket
Received in good order on time via royal mail however not fitted yet will send further when fitted and used. Regards.
15 tooth sprocket upgrade
Excellent service, thank you
15 Tooth Sprocket
Well worth doing makes a noticeable difference to your ride.
Triumph Scrambler 400 X 15 tooth sprocket
Sprocket is great quality and fits well. Driving is much better with the gear ratio, 1st gear is usable now
Better for everyday riding
Replacement drive sprocket much more suitable for everyday riding. Another useful product from TBP and speedy delivery. You Tube videos helpful but don’t specify torque setting for rear wheel spindle which is 98Nm in the small print of the on line owners booklet.
15 tooth sprocket for 400x
Pretty easy to fit. Makes the gearing so much smoother.
15 tooth sprocket
Looks good but will not be fitted until after the bike's first service.
15T sprocket for Triumph 400X
Had read up on this upgrade, and glad i did it. Wanted the rubber bushed version, found it here, quick order and delivery. It was a little tricky to fit on, but all good. Took about 40 mins.
15 Tooth sprocket Triumph Scrambler 400X 2025
Bike is smoother with this upgrade Easy to swop from 14 to 15 sprocket
Good
This sprocket makes the scramble a much better bike, highly recommend one.
Triumph scrambler 400x 15 tooth sprocket
15 tooth front sprocket for triumph scrambler, not yet fitted but looks good quality. So can’t comment on ride difference as of yet. Received in good time would buy from tec bikes again.
Useful modification
Easy to do, calms the engine revs down. Top gear does become an ‘overdrive’ gear probably most use on m-ways.
Upgrade
What a difference to the bike, a must for anyone with the 400x , great price from TEC and fast delivery.
15 tooth sprocket Triumph Scrambler 400x
For the price, easily the best upgrade to the 400x. First gear is now usable and cruising at 100 kph now more comfortable. Going thru the gearbox feels like it was designed for this sprocket.
Triumph 400 x sprocket
Excellent product and good overseas tracking on delivery👍
Delivery excellent
Delivery and communication excellent product looks good , but not fitted yet
So worth it
Thank you TEC for the very efficient service. I'm in New Zealand and the products arrived in a timely fashion and packaged safely. The 15 tooth sprocket has massively improved 1st, 2nd, 3rd and 4th gear on the Scrambler!
Super service
Great quality, easy to deal with and quick delivery. Thanks.
Goods as described and well packaged
Great service would use again
400x 15 tooth upgrade
Exalent service front tec quality part turned a good bike into a better one
400x front sprocket
I have bought a few items from tec parts for triumph 400x all parts are well made and fit well including the 15 tooth front sprocket
15 Tooth Upgrade Sprocket - Scrambler 400 X
Sprocket
Good product and fast delivery
Excellent service
Straight forward order process, prompt delivery. Quality comparable to O/E part. The sprocket change makes riding more relaxed, greater range in each gear. Engine still well with in its performance envelope. A worth while modification.
15 tooth upgrade
New sprocket arrived quickly as promised. Now fitted and i think there is a definite improvement over the standard Scrambler gearing, if you are using your bike for predominately road riding. Fitting was straightforward, maybe slightly fiddly to get the old gear off the shaft and the new one on once the drive nut and lock washer have been removed and wiring moved aside, but hardly a major problem. Triumph do not give a torque figure for the main drive nut, but I found a setting of 85Nm online and used this, plus replacing the lock washer of course. Several hundred miles since the job and no problems. Good price for this sprocket from TEC, so I have no regrets.
Triumph 400x 15 front sprocket
The sprocket arrived in good time and well packaged, it is good quality and fitted perfect,
Triumph 400x - 15 tooth
Fitted this to my previously mediocre bike. Now it's simply fantastic. Thank you.
15 tooth sprocket
Perfect fit and a nice improvement to the bike great service, a pleasure to deal with
Triumph Scrambler 400 X
Straight swop of original 14 tooth front sprocket for 15 tooth. Good communication and fast delivery.
Good service
Arrived quickly. No problems ordering. Very good
Great product and service.
I purchased a couple of items from Tec after looking around at a few suppliers. Fortunately, I chose the Tec parts. Service was excellent, fast shipment and delivery, and the parts fitted perfectly. I’d recommend them to anyone.
One tooth
That extra tooth makes a difference/ longer first second gears / not much but excellent for tarmac roads /and less rev's thanks for excellent service and products.
15 Tooth Upgrade Sprocket - Scrambler 400 X





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