The Compatibility of 12-speed Cassettes and 9-speed Hubs
General Knowledge As the number of speeds grows, the width of bike cassettes doesn't increase dramatically. The goal is to make rear hubs compatible with the widest number of cassettes…
Operating a 3x Front Derailleur as a 2x Model (photos inside)
A front derailleur designed for a triple crankset (3x derailleur) can be used in conjunction with a double crankset and effectively function as a 2x derailleur. Proper operation requires adjustments…
What To Do When Your Front Derailleur Refuses to Shift Down
Description of the Problem: The front derailleur doesn't move the chain from the large chainring to a smaller one upon command. As a result, the rider cannot use the lower…
What to Do When The Trim Function Of The Front Derailleur Malfunctions
Description of the Problem: When the rider clicks the shifter to activate the trim function of the front derailleur, the derailleur remains in the same place. Possible Sources Of The…
Bike Issues: A Jumpy Rear Derailleur When The Chain Is “Loaded”
Description of the Problem: Option 1: When the rider is pedaling hard, there's a moment when the chain makes an abrupt jump/skip. The jump happens unexpectedly and hurts the rider's…
When The Rear Derailleur Underperforms In The Middle Of The Cassette…
Description of the Problem: The derailleur shifts fine when the chain is on the smallest or largest cogs, but the shifting in the middle of the cassette isn't satisfactory. Possible…
When The Front Derailleur Doesn’t Move Sufficiently…
Description of the Problem When the rider tries to shift onto the largest cog, the front derailleur doesn't move sufficiently to make the transition. As a result, the cyclist cannot…
Why Mixing Campagnolo Shifters and Shimano Derailleurs Could Be a Bad Idea
The cable pull of indexed Campagnolo shifters is different from that of Shimano shifters. Consequently, using Campagnolo shifters with a Shimano derailleur will result in a less than ideal shifting…
The Compatibility of Shimano’s Front Derailleurs and SRAM’s Indexed Shifters
Mini info bomb: In general, it's possible to combine a Shimano front derailleur with a SRAM shifter because both brands use extremely close cable pull ratios for the front mech.…
Combining an 11-speed Derailleur With a 10-speed Cassette and Shifter – Possible or Not?
Shimano's 11-speed derailleurs have a different rear shift ratio than 10-speed derailleurs and are therefore not compatible with 10-speed indexed shifters.SRAM's exact actuation 11-speed derailleurs are compatible with SRAM's 10-speed…