Shimano Unisex Adult Acera FC M391 Chainring, Black, 26 Teeth

Shimano Deore T521 Chainring. Elevate your ride with the SHIMANO Deore T521 3x10-speed crankset. Drawing inspiration from XT and LX trekking lines, it offers stable, smooth shifting and a robust, integrated design. Featuring HOLLOWTECH and OCTALINK technology for rigidity and light weight, this crankset ensures enhanced power transfer and acceleration. Compatible with HG-X 10-speed chains, it´s ready for your next adventure. SHIMANO - OCTALINK - HOLLOWTECH - MTB Crankset - 3x10-speed- Based on the premium SHIMANO DEORE XT and DEORE LX trekking product line, the FC-T521 offers 3x10 speed gearing and uses an OCTALINK bb interface. It includes an integrated chain guard.Features:- 10-speed Trekking crankset- Following XT/LX trekking product concept- Stable and smooth shifting performance- Simple and sturdy design- Integrated appearance of chain guard- Rigid and lightweight by HOLLOWTECH, OCTALINKSpecifications:- Axle length of BB-UN/ ES (mm)_Threaded (chain case): 121-AK- Axle length of BB-UN/ ES (mm)_Threaded (normal): 121-AK- Arm adapter: Yes- Chain case compatible: Yes- Chain line (mm): 50- Chain ring combination: 48-36-26T, 44-32-24T- Compatible BB type_Octalink: Yes- Compatible chain: HG-X 10-speed- Crank fixing bolt included: Yes- Crank arm length (mm)_170.0: Yes- Crank arm length (mm)_175.0: Yes- Gear arms: 4- HOLLOWTECH crank arm: Yes- OCTALINK technology: Yes- Optional chain guard_With chain guard: Yes- Optional chain guard_Without chain / bash guard: Yes- P.C.D. (mm): 104/64- Rear speeds: 10- Recommended BB_Threaded (normal): BB-ES300- Stainless chain guard fixing bolt: Yes- Threaded BB shell width_68mm: Yes- Threaded BB shell width_73mm: Yes- Q-factor (mm): 185.8Technology:HG-X Chain:- Further evolution of shifting performance- A directional mountain bike specific 10-speed HG-X chain means smoother shifts, lighter weight and greater overall performance.- HG-X directional chain: Outer side is optimized for front shifting and inner side is optimized for rear shifting.OCTALINK:- Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8-splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly.HOLLOWTECH Crank Arm:- Hollow forged crank arms- A lightweight crankset not only reduces the bike's weight, but decreases rotating mass to aid in acceleration.- The challenge is to reduce the weight of the crank without reducing its strength and rigidity.- SHIMANO's advanced forging technology has solved the problem through the HOLLOWTECH crank.- Just like high quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight. tradeinn Bikeinn

SHIMANO Chainring "Acera FC-M391" 4-arm For 3 x 9-speed 64 mm bolt circle Smooth and precise shifting Engineered for optimal performance