PASS QUEST was established at the end of 2015 with one main goal: to provide high-quality bicycle accessories for riders. I have been in bicycle modification for 11 years to find out what improvements and ideas we can find and bring. Now it is mainly engaged in the design and production of narrow wide chainring.

Surly Stainless Steel Inner Chainrings for customizing a Mr. Whirly Offset Double (MWOD) crankset.

Ringleader Titanium chainring, 64BCD - 21T Speed: 8/9sp ArmxBCD: 4x64mm Teeth: 21t Color: titanium

Choose from a variety of direct mount and BCD bolt mount options — including for SRAM, Shimano, Race Face Cinch, and Cane Creek — as well as shape and preferred tooth count, including optimized chainrings for SRAM T-Type Transmission. Get your next mountain bike chainring from Wolf Tooth to optimize your bike.

Wolf Tooth Stainless Steel Chainrings can last 5x longer than aluminum chainrings. Each stainless steel chainring is designed to meet the rigors of e-bike applications.

Jun 20, 2010 · Anybody mount a 21 tooth granny on an XT 64 BCD crankset? Any modification necessary? I know the 20 tooth requires lots of filing both to the arms and to the bolts. Also, being a gear ratio retard, is there much of a noticeable real world diff. between a 22 and 21 tooth ring?

Bosch Gen 2 Super Narrow, 21T Chainring with 21 teeth for narrow chains 11/128“ or 3/32. Made of hardened chromoly steel. Part of KMC's 3,500km+ programme.

Surly Stainless Steel Inner Chainrings for customizing a Mr. Whirly Offset Double (MWOD) crankset. Features: Converts the Mr. Whirly crankset into an offset mountain double crank which allows for extra wide rear tire and rim combinations while avoiding chain-on-tire rub, e.g., 4.7" tires on 82mm or 100mm rims

The 10,000 KM + drive is the perfect solution for extreme riding. The combination of our wide chains e101EPT/eCargo1 and our wide sprockets and chainrings enables a guaranteed mileage of 10,000 kilometres and more. READ MORE >

Surly Stainless Steel Inner Chainrings for customizing a Mr. Whirly Offset Double (MWOD) crankset. Converts the Mr. Whirly crankset into an offset mountain...