KMC's SL Chain sets a new standard with weight reduction, improved shifting performance & enhanced durability. - 1/2" x 1/8" - 112 Links - Black - 1 speed - 1/8" Track Bikes & BMX Racing, Freestyle - Hollow Pins & Plates - Special Dynamic Configured Plates - Super Light: 349 grams - Anti-Drop Design - Heavy Duty Structure - Hollow Inner Plates - Hollow Outer Plates - Hollow Pin - Inner Plate Chamferring - Mud Shedding Design - Special Dynamic K Configuration - Stretch Proof Treatment

- X9SL: superlight chain for use with 9-speed, 252g - X9.93: upgraded version of the Z-9000 chain stretchproof, super-narrow chain for use with 9-speed - Pink Lady chains are a limited edition with 15% of sales going directly to the Pink Ribbon Foundation - Width = 11/128-inch

- Stretch-proof, super-narrow chain for use with 10-speed Campagnolo/Shimano/SRAM - Use: Mountain/Road - Size: 11/128-inch - Width: 5.9mm - Weight: 273 grams - 116 links

-X11SL DLC: superlight chain for use with 11-speed Campagnolo/Shimano/Sram with Diamond Like Coating for extra durability, 235g -X11SL: superlight chain for use with 11-speed Campagnolo/Shimano/Sram (Gold color is Ti Nitride coating), 235g

- X101: hi-performance, chamfered, anti-drop, lightweight, Singlespeed chain for Mountain, BMX, Fixie, Track applications - Z410HD: heavy duty model has thicker sides plates for 25% higher tens

- Z51: standard bushingless, chamfered plate chain for 5-8 speed - Z30: economy bushing-less chain for 5-8 speed

- Super-light chain for use with 10-speed Campagnolo/Shimano/SRAM (Gold color is Ti Nitride coating) - Use: Mountain/Road - Size: 1/2 x 11/128-inch - Width: 5.9mm - Weight: 252g - 116 links

- 1/2" x 11/128" - 116 Links - TI (Titanium Nitride Coating Gold) - 11 speed - Compatible with Shimano, Sram & Campagnolo 11 Speed Systems - Hollow Inner Plates - Mushroomed Pin Riveted - Lightweight - 257 grams