Mountain Bike Rear Derailleurs

Shimano Crane GS Rear Derailleur: Long Cage - 1st Gen DR102 - Touring/MTB - Silver (EXC)

Rare 1st gen Crane GS from ~1971 to 1973, model number DR102. It is identified via the cable stop being cast into the rear housing knuckle and round cutouts in cage. The 2nd gen D511 started around 1973 and acquired a barrel adjuster stop that was a...

Shimano Deore XT RD-M735 Rear Derailleur: GS Short Cage (EXC)

Mid/late 1980's XT derailleur, in short cage format with upgraded Bullseye sealed bearing pulleys.  Came with the 6 speed Deore XT drivetrain, but works great with 5, 6, 7, and 8 speed drivetrains. In short cage format for XC racers, roadies,...

Shimano Deore XT II RD-M732 Rear Derailleur: SGS Long Cage - 1990s (Near Mint+ Low Miles)

The legendary 7 speed SIS XT II M732 rear mech appeared only in the 1989 catalog, and was sandwiched between the previous 1986-1988 RD-M730 with which was 6 speed  and the later 7 speed  XT RD-M735 which ran 1990-1993. Cosmetically they were...

SRAM X9 Rear Derailleur: 9s / 10s - Mid Cage - Silver/Black w/ Red Pulley

Silver on black version of the X.9 rear derailleur, from the 9 and 10 speed groupsets. Condition Average used shape with cosmetic wear. Pivots/pulleys tight and smooth. Upper pulley is worn. Details Mid cage 1:1 ratio

Shimano Deore XT RD-M735 Rear Derailleur: SGS Long Cage - 6/7 Speed - 1990s (Barely Used Near Mint++)

The legendary M735 rear mech was the last iteration of Shimano's first SIS indexed flagship mountain bike derailleur, which was produced from 1990 to 1994.  It is aesthetically almost identical to the earlier RD-M730 & RD-M732 with the only...

SRAM XX1 Eagle Rear Derailleur: 12s Type 3 Mechanical - Lunar (Near MINT+ Low Miles)

Sleek Lunar colored XX1 Eagle cable-operated rear derailleur for 12 speed drivetrains!  Condition Near mint or better with low miles. Very minimal wear, the only spot worth pointing out is a very minor scuff on the face right below "SRAM". Only...

Sram XO 20th Anniversary Rear Derailleur: 9s - GOLD! Blackbox Carbon - Hope Pulleys - Mid Cage (EXC)

Rare Gold (bronze?) and black version of the smooth shifting X.0. 9 speed derailleur.   Carbon, titanium and alloy create this beautiful yet functional piece of art. With an award winning design, this rear derailleur is lightweight, durable,...

SRAM ESP 9.0 Composite Rear Derailleur: Carbon Composite - Long Cage - 1990's

The ESP 9.0 group was Sram's top of the line mountain bike group in the 1990's and early 2000's, before the X9 and X0 models replaced the ESP line.  It is a 1:1 ratio derailleur, and is compatible with any ESP or X5/X7/X9/XO/XX shifter.  It was...

Shimano XT RD-M786 GS 10 Rear Derailleur: Mid Cage 10 Speed (New)

Great 10-speed mountain bike derailleur. Condition New in box Details Shadow plus Dyna-sys GS Mid cage Top normal (not rapidrise)

Suntour GT RD-1200 Rear Derailleur: Long Cage - Touring (MINT+ Low Miles)

The Suntour GT from the 1970's was a super smooth shifting derailleur with capability to shift up to 34t cogs and 36t total capacity.  It wasn't sleek looking nor lightweight, but it sure did shift well.  Better than the mighty Cyclone GT...

SRAM X4 9 Speed Rear Derailleur: Black - Long Cage (NEW)

Affordable and reliable derailleur for SRAM 7/8/9/10 speed shifters with 1:1 ratio  Condition New in box Details Long cage

NIB/NOS Crud Claw Cassette Cleaner Gizmo Gadget: Retro 1990's Weirdness - Black Anodized

This little trinket from the wild and weird early 1990's attached to your dropout under your quick release, and weaved through your cassette cogs to clean the mud and gunk as you pedal.  Did they work? I don't know. Never used one myself.  But...