Shimano's armor-clad Saint Shadow + Rear Derailleur uses their low-profile Shadow technology. The low profile and its skid-plate teams up to shake off hits and protect your precious derailleur in rough rock gardens, overgrown singletrack and in those inevitable crashes. The Plus part is a one-way clutch system that stabilizes the cage and your chain when ripping over rough terrain. Combined with a urethane bump stop between the derailleur and your chainstay, impact noise and chainstay contact are virtually eliminated. This thing keeps your bike seriously quiet. But don't let its toughness fool you, it still has the smooth action and sniper-like shifting that Shimano is famous for. An ingenious mode converter lets DH racers run a tight road cluster like an 11-23, or freeriders rock a wider, 11-34 cassette.
An important part of a rear derailleur's job is keeping the chain taut as you change gears. Chain-wrap capacity is a number that tells whether or not a derailleur will be able to do this on the drivetrain you plan to use it on. Calculate chain-wrap capacity with this formula: Chain-wrap capacity = (large chainring - small chainring) + (large rear cog - small rear cog). Example: 44/29 chainrings and a 11-28 cassette: (44 - 29 = 15) + (28 - 11 = 17) = 32-tooth chain-wrap capacity.
Largest cog this derailleur handles: 34 tooth
Weight: 280 grams
Saint First Impressions
Saint Prototype testing