Ebike Solution

Bottom Bracket Removal Tool B23 B26 B29 B30 8,12,16-Tooth Sram, Shimano

£11.99 GBP

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Fitment type B23 – 46mm 12-Tooth B26 – 41mm 16-Tooth B29 – 8-Tooth B30 – 8-Tooth Deep

9 in stock

CYCLISTS Bottom Bracket & Bosch Lockring Removal Tool – CT-B23, B26, B29 or B30

These heavy-duty CYCLISTS bottom bracket and e-bike chainring lockring tools are designed for the removal and installation of compatible bicycle components. Available in four different fitting profiles, the tools cover selected systems from SRAM, Shimano, Race Face, Rotor and Bosch.

Each tool is manufactured from durable alloy steel and features a precisely shaped fitting profile for secure engagement with the matching bottom bracket cup or lockring. Please select the correct CT-B23, CT-B26, CT-B29 or CT-B30 option from the variation menu before ordering.

These Tools Are Not Universal: Bottom brackets and e-bike lockrings use different diameters, tooth counts, fitting shapes and tool depths. Please compare the measurements and photographs with your component before ordering.

Compatibility Guidance: The brand and model references below are likely matches based on the fitting sizes. Always confirm the exact specification of your bottom bracket or lockring before use.

Key Features

Four Tool Options: Choose from CT-B23, CT-B26, CT-B29 or CT-B30 according to the required fitting.
Alloy-Steel Construction: Durable material designed for regular workshop and bicycle maintenance use.
Precise Fitting Profiles: Available with 8-tooth, 12-tooth and 16-tooth engagement patterns.
Bottom Bracket Servicing: CT-B23 and CT-B26 are suitable for selected external bottom bracket cup systems.
Bosch E-Bike Lockring Servicing: CT-B29 and CT-B30 are designed for selected Bosch chainring lockring fittings.
Removal and Installation: Suitable for removing worn components and installing compatible replacement parts.
Workshop or Home Use: Practical for bicycle mechanics, e-bike workshops and experienced home maintenance.

Likely Compatibility Guide

Important: The following brand and model references are provided as a fitting guide only. Confirm the component diameter, number of notches and fitting depth before purchasing.

Tool	Likely Brand / Model Compatibility
CT-B23	Selected SRAM BSA DUB, Race Face Cinch and Rotor BSA30 bottom bracket cups
CT-B26	Selected Shimano Ultegra SM-BBR60 and Deore XT BB-MT800 bottom bracket cups
CT-B29	Selected Bosch Generation 2 e-bike chainring lockrings
CT-B30	Selected Bosch Generation 3 and Generation 4 e-bike chainring lockrings

Trademark notice: SRAM, Shimano, Race Face, Rotor and Bosch names are used only to help identify potentially compatible component fittings. This product is not represented as being manufactured by those brands.

Available Tool Options

CT-B23 – 46mm / 12-Tooth

CYCLISTS model CT-B23
46mm fitting diameter
12-notch / 12-tooth profile
Approximately 53mm overall diameter
Approximately 14mm height
Durable alloy-steel construction
Likely suitable for selected SRAM BSA DUB, Race Face Cinch and Rotor BSA30 fittings

CT-B26 – 41mm / 16-Tooth

CYCLISTS model CT-B26
41mm bottom bracket fitting
16-notch / 16-tooth profile
Approximately 45.7mm overall diameter
Approximately 40.8mm internal fitting diameter
Approximately 15.5mm height
Durable alloy-steel construction
Likely suitable for selected Shimano SM-BBR60 and BB-MT800 fittings

CT-B29 – 8-Tooth Low-Profile Tool

CYCLISTS model CT-B29
8-tooth fitting profile
Low-profile socket design
Approximately 50.5mm overall diameter
Approximately 25mm centre opening
Approximately 10.6mm working-section height
Durable alloy-steel construction
Likely suitable for selected Bosch Generation 2 e-bike chainring lockrings

CT-B30 – 8-Tooth Deep Tool

CYCLISTS model CT-B30
8-tooth fitting profile
Deep socket design
Approximately 41.8mm outside diameter
Approximately 49.5mm overall length
Approximately 34mm opening
Durable alloy-steel construction
Likely suitable for selected Bosch Generation 3 and Generation 4 e-bike chainring lockrings

Technical Comparison

Model	Profile	Main Measurement	Tool Style
CT-B23	12-tooth	46mm fitting	Low-profile cup tool
CT-B26	16-tooth	41mm fitting	Low-profile cup tool
CT-B29	8-tooth	25mm centre opening	Low-profile lockring tool
CT-B30	8-tooth	34mm opening	Deep lockring tool

Compatibility & Usage Information

Check the outside or internal fitting diameter of your component.
Count the number of teeth, notches or engagement points.
Compare the shape and depth of the tool with the component photographs.
Clean dirt and debris from the component before positioning the tool.
Ensure the tool is fully seated before applying force to reduce the risk of slipping or damaging the notches.
Check whether the component uses a standard or reverse thread before loosening it.
Use the bicycle or motor manufacturer's recommended installation torque when refitting the component.
Do not use an impact wrench unless the component and tool manufacturer specifically permit it.
Professional workshop installation is recommended if the component is seized or if you are unsure about the correct fitting.

Package Contents

1 x CYCLISTS bottom bracket or chainring lockring removal tool in the selected CT-B23, CT-B26, CT-B29 or CT-B30 variation

Condition: Brand new

Please note: Only one tool is supplied according to the variation selected. The bottom bracket, Bosch drive unit, chainring, lockring, bicycle and additional workshop tools are not included.

Shipping, Guarantee & Support

Fast Delivery: Orders are carefully prepared and dispatched according to the handling time shown in the listing.
Buy with Confidence: Please review the returns and guarantee information shown in the listing before purchasing.
Compatibility Support: Please contact us before ordering if you are unsure which tool matches your bottom bracket or Bosch lockring.
Customer Support: Your satisfaction and positive feedback are very important to us. Should you experience any problems with your order, please contact us and we will do our best to assist you.

More info

Shipping information: We offer free shipping on most of our items,dispatched same day Monday to Friday before 4 PM.We can offer next day delivery on some of our items depending on availability and shipping address.

Guarantee: Offer a money-back guarantee or warranty to give the customer peace of mind when making a purchase.

Feedback: Your satisfaction and positive feedback is very important for us, if you have any problems, don't hesitate to contact us. We'll do our best to serve you.

Shipping & Returns

Shipping Information

At Ebike Solution, we aim to deliver your orders quickly and reliably.

Free UK Shipping on all orders.
Free next day delivery on orders above £50 (based on availability)
A tracking number is provided for most items once dispatched.
Local Collection Available – based in Essex. Please contact us in advance to arrange collection.

International Shipping

Delivery Time: 7–14 business days (varies by country)
Customs & Duties Buyer: Paid at the checkout (buyer is responsible for any import fees applicable)
We currently ship to the EU, and selected worldwide destinations. For specific questions, please at info@ebikesolution.co.uk .

Return Policy

We want you to be fully satisfied with your purchase. If for any reason you are not, we offer a 30-day return policy.

You have 30 days from the date of delivery to request a return.
Items must be returned in the same condition as received: unused, unworn, with tags, and in the original packaging.
To start a return, please email us at info@ebikesolution.co.uk.
Items sent back to us without prior approval will not be accepted.
Return cost is flat 3£ on all UK orders.

For any questions regarding returns, you can always contact us at info@ebikesolution.co.uk