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Dr Sludge 27.5 x 1.75 - 2.10" Inner Tube - Presta or Schrader Valve
Dr Sludge, a genius name for a self-sealing inner tube brand. The good doctor is at hand when it comes to keeping you moving with his gel filled inner tubes. Their puncture protection takes things to the next level sealing up punctures as you go. Why not end those pesky punctures and grab your Dr Sludge inner tubes today with Tube King.
Inner Tube Size: 27.5 x 1.75 - 2.10"
Inner Tube Valve Type: Presta Valve 40mm
Inner Tube Feature: Seals punctures instantly up to 3mm diameter.
Box image / specification for illustration purposes. Newer Weldtite branded version will be sent if product is out of stock. Product/price/specification is identical, both are made by Weldtite.
All orders placed before 4:30pm Monday to Friday (Excluding Bank Holidays) are shipped the same day where possible. Any orders placed after 4:30pm Friday will be shipped the following working day (Monday).
'Royal Mail 24™' / 1st Class - ‘Aims to deliver the next working day, including Saturdays’ - From £3.95
'Royal Mail 48™' / 2nd Class - ‘Delivery in two to three working days, including Saturdays’ - From £2.95
(Directly quoted from the Royal Mail)
Please Note: the references to 'Royal Mail 24™' and 'Royal Mail 48™' are Official Royal Mail Service names and should not be interpreted as '24 Hour Delivery' and '48 Hour Delivery'.
We have a dedicated Royal Mail lorry that collects all of our orders daily at 5:10pm (Monday to Friday).
All orders are sent using either a Signature service (for high value orders) or Click & Drop for all other others to give you added peace of mind.
Where a fully tracked service is used, the tracking reference will be emailed to you the same day of shipping.
*Special Offers / 'Free Shipping' Offers - When running a free shipping offer, the default service used will be Royal Mail 48™ / 2nd Class as per above unless otherwise stated. Only one discount code can be used per order. Limited to one use per customer.
You are welcome to return your order within 90 days of receipt of the item in the original and unopened condition. Return postage costs are at the buyer’s expense.
If in the unlikely event there is an issue with either; orders in transit, item received not what was ordered, item damaged or defective, or you feel it was not consistent with our advertising representation, please contact us ASAP, ideally via email (this is for easy buyer and seller reference).
We take any issue seriously and consistently resolve any matter fully, swiftly and to your utmost satisfaction. Please note: 'Clearance' items are sadly not returnable if you change your mind / order incorrectly.
Note: Buyer’s are responsible for the safe return of the items and bare all postage costs in the event of an ordering error or change of mind.
Please contact us via email to arrange a return.
DO NOT RETURN ANY ITEM WITHOUT PRIOR AUTHORISATION, ELSE IT WILL BE REFUSED.
Our size guide will be able to give you the best advice in getting the right size tube for your bike
There are three main valve tyres, Presta, Schrader and Woods. To make sure you have the correct type for your requirements please see our valve type guide and also double check the product listing to confirm your selection
Yes. Don't worry, we're here to help, simply see our Returns page for full details. Regardless if you have made a mistake, we're here to help get you sorted!
We wouldn't get very far over the years if we sent damaged items, lord knows where we'd even source pre-damaged inner tubes! However, there is usually a simple solution, make sure to read our Fitting Instructions page and this will answer this one before it happens!
Wo Wo Wo! Easy! Please see our 'Read Me' in the 'Puncture Protection' drop down menu, this will help!
You'll see that valve come in a variety of sizes, one solution is to measure your current valve or check out our valve guide to make sure you have the right valve for the job
Yes, you're correct! With quality tubes you have a stronger rubber so that will help, also their manufacture quality means less issues with breakages and also they don't loose pressure as easily as standard tubes, meaning more consistency and improved performance. Remember the adage, 'buy cheap, buy twice'.
We're constantly expanding our ranges to help as many riders as possible and if you can't find what you're looking for, please get in touch, we'd love to hear from you and hopefully we can get what you need (or we may already have it!)
Any valve cap is better than no valve cap, they keep the dust out of you valve and protected the internals. To go one step further a metal valve cap has the same benefits, increases pressure retention (incase of a leaking valve core) and look a dam sight better in our opinion if you like that sort of thing. So yes, they are well worth using.
Check out or current Trade Deal offers else, please contact us direct if your order is out of the ordinary and we'll always aim to help where we can.