The Shimano DEORE FC-M6100-1 crankset features a completely revamped construction, with direct mount chainrings, a special tooth profile for improved chain retention, and a 172mm Q-factor compatible with 142mm or 148mm rebate frames . Features Length: 170 mm Ratios: 32T Speed: 1x12-speed Direct Mount: chainring - Stop (OLD): 142/148 mm Chain line: 52 mm Q factor: 172 mm Specification Recommended use  - Chainring format Single BCD  - System  - Type  - Length 170mm Material  - Weight  - Compatibility HG + 12-speed Bottom Bracket compatibility  - Additional Info Country of Origin: Malaysia/Japan Imported By: Shimano South Asia Pvt Ltd. , 19 , (Ground Floor) Kumara Krupa Road , Bangalore – 560 001 , Karnataka , India. Net Quantity: 1N Customer Care Address: 291, 10 Main, 5 Block, Jayanagar, Bangalore - 560041. Ph: (080)47183232, Email: support@bumsonthesaddle.com Commodity: Cranksets