Most have aluminum shells, and are relatively light compared with hubs of other brands.
The information below is compiled from a review of the Sturmey-Archer Web site, Sturmey-Archer catalogs, and a Web search.
Sturmey-Archer has manufactured many models of 3-speed hubs over the years.
Level 2 Certified coaches have completed our 12-month graduate-level nutrition coaching mentorship. Level 1, Pn1 Specialization: Self-Care Coach specializing in strategies and habits for mothers and women, growth mindset habits and teaching, positive body image habits, empowerment, overall well being.
20 and 22 tooth sprockets are readily available, as well as smaller sizes for speed demons or small-wheel bicycles.
It is also possible to modify Shimano cassette sprockets with a Dremel grinder if you need something bigger. There is more detailed information on this on another page.
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I offer monthly Virtual Coaching packages including (but not limited to): behavioral activation for habit redesign, personalized workouts and scheduling, anti-diet nutrition coaching, mindfulness tools, spiritual counseling and mindset reframing. Mauro Specialization: Exercise Physiologist; Certified Strength & Conditioning Specialist; Certified Health & Fitness Specialist; General Strength Training; Fat Loss; Post-rehab injury training Stamford, CTTerry O'Hara Specialization: I love working with all ages, but specifically love training older clients ( over 40) and coaching people of all ages who would love some help with their eating habits.