SHIMANO FC-T551 BB52 Crankset

SHIMANO - HYPERDRIVE - 2-PIECE CRANKSET - Trekking 3x10-speed Based on the premium SHIMANO DEORE XT and DEORE LX trekking product line, the FC-T551 offers 3x10 speed gearing and uses an outboard, 24mm bb interface. It includes an integrated chain guard. Features: - 2-piece construction for accurate chain line - HG-X chain and specific designed teeth - Chaincase compatible - Simply and sturdy design - Integrated appearance of chain guard 2-piece rigid construction of crank Specifications: - Variety of spec: 48-36-26T, 44-32-24T - Hyperdrive SG-X chainrings - Chainline: 50mm - Rear speeds: 10 - Compatible chain: HG-X 10-speed - Chain line (mm): 50 - P.C.D. (mm): 104/64 - Spider/gear arms: 4 - Chainring combination: 44-32-24T, 48-36-26T - Q-factor (mm): 181.1 - Crank arm length (mm) 170: Yes - Crank arm length (mm) 175: Yes - Optional chain guard|With chain guard: Yes - Optional chain guard|Without chain/bash guard: Yes - 2-PIECE CRANKSET: Yes - Compatible bottom bracket type|Outboard: Yes - Recommended bottom bracket|Threaded (normal): BB-MT501 - Recommended bottom bracket|Threaded (chain case): BB-MT501 - Threaded bottom bracket shell width (mm)|68: Yes - Threaded bottom bracket shell width (mm)|73: Yes - Chain case compatible: Yes - Stainless chain guard fixing screw: Yes - Crank fixing screw included: Yes Technology: HYPERDRIVE System: - Integrated design of SG-X chainrings, Wide Link front derailleur and HG chain Components work together to improve chain control to provide precise and reliable front derailleur shifting that is especially beneficial in severe off-road riding conditions. 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. 2-piece crank set - Integrated crank arm and bottom bracket - Increased rigidity with less weight - Wider bearing positioning - Rigidity is enhanced and pedaling force is efficiently transmitted - Precision Bearings - Low maintenance and simplified installation