BBB-4 Big Blue Book of Bicycle Repair 4th Edition
Updated with the latest information, procedures and techniques, and covers everything from minor adjustments to complete overhauls
12 speed and 1x drivetrains
New wheel building content
Updated headset and bottom bracket standards
Updated torque specifications
Updated troubleshooting tables
We cannot accommodate PO BOX shipping addresses for this item. Sorry for any inconvenience.
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International and Expedited Shipping:
Unfortunately we're unable to promise or guarantee delivery by a specific date and don't offer overnight or express shipping at this time. We also do not currently ship to Alaska, Hawaii, APO/FPO addresses, US territories, or international addresses. Please feel free to reach out to firstname.lastname@example.org with any questions!
*For Freight-Forwarding Orders please reach out to email@example.com BEFORE placing your order. Restrictions apply.
Need to make a return? Grab your order number and visit our Returns Portal here.
We understand that not every purchase works out. New, unused gear in original packaging and hangtags can be returned within 30 days of purchase for a refund to your original method of payment or for an exchange. We reserve the right to deny/refuse any return requests. Your return items are subject for a quality review, which may delay refunds.
Our returns process may take longer than usual. We’ll email you once we’ve issued a store credit or a refund – typically within 10-15 business days after we receive your package. After Gear.com issues a refund, it may take up to 3 additional weeks for your bank to refund your payment. Thank you for your patience as we process returns as quickly as possible. Please contact firstname.lastname@example.org for all return questions.
How to return by mail
Follow these three steps to submit your return:
Visit our Returns Portal - returns.gear.com
To make shipping a return even easier, our returns portal allows you to submit a return request. After we review your request and have authorization from the return warehouse, you will receive a prepaid return shipping label via email.
- Pictures may be required to confirm the condition of your return.
- Prepaid labels expire 15 days from the date we issue them.
- Oversized items are subject to an oversized return fee.
Pack your item(s) securely and include the original product packaging and tags.
Tape your package securely and affix your return shipping label to the outside. (Hint: If you cover or remove all existing shipping labels, you can usually reuse the bag or box your order came in.) Drop off your package at a carrier location near you.
- If we have questions about your return, we will contact you by email.
- Returned merchandise that does not meet the conditions above, we reserve the right to deny/refuse the return.
- All items marked as "final sale" are not eligible for returns or exchanges.
Some items cannot be returned via our returns portal, including the following:
- Hazardous materials
- Food items
- Oversize items
- Some Corporate & Group Sales items
Mail-in return exceptions may apply to coolers, tents, kayaks, surfboards, SUP boards, cargo boxes, car racks, indoor cycles, power stations and more.
- Must be fully disassembled.
- Must be returned in the original box.
- We reserve the right to refuse returns that are not fully disassembled and in the original shipping box.
Store credit issued for returned products will expire one year from the date of issuance.