Want an oval chainring for your new SRAM Transmission group? absoluteBLACK delivers with their new T-Type optimized tooth profiles.
absoluteBLACK has always preached the oval chainring gospel, and now they’ve added an option for the latest SRAM Transmission mountain bike groups. Those groups use a slightly narrower MTB Flattop chain, and the rollers between the plates have a bit larger diameter, which requires chainrings with teeth optimized to fit.
The narrower gap between chain plates means the teeth have to be a bit narrower to allow proper clearance, allowing the chain to slide on and off the teeth easily and make room for any grit that might be on them. absoluteBLACK went a step further and added a small slit on the wide teeth to facilitate mud removal. And they made the wide tooth that sits behind the crank arm narrower than the others to help shed muck more easily in an area they’ve found suffers from higher buildup.
The larger roller diameter means the well between teeth must be a bit larger, too, so that the chain can fully settle in between teeth and give the rollers maximum engagement on the driving side of each tooth.
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Birthweight is associated with clinical characteristics in people with recently diagnosed type 2 diabetes - DiabetologiaAims/hypothesis Low birthweight is a risk factor for type 2 diabetes but it is unknown whether low birthweight is associated with distinct clinical characteristics at disease onset. We examined whether a lower or higher birthweight in type 2 diabetes is associated with clinically relevant characteristics at disease onset. Methods Midwife records were traced for 6866 individuals with type 2 diabetes in the Danish Centre for Strategic Research in Type 2 Diabetes (DD2) cohort. Using a cross-sectional design, we assessed age at diagnosis, anthropomorphic measures, comorbidities, medications, metabolic variables and family history of type 2 diabetes in individuals with the lowest 25% of birthweight (3700 g), compared with a birthweight of 3000–3700 g as reference, using log-binomial and Poisson regression. Continuous relationships across the entire birthweight spectrum were assessed with linear and restricted cubic spline regression. Weighted polygenic scores (PS) for type 2 diabetes and birthweight were calculated to assess the impact of genetic predispositions. Results Each 1000 g decrease in birthweight was associated with a 3.3 year (95% CI 2.9, 3.8) younger age of diabetes onset, 1.5 kg/m2 (95% CI 1.2, 1.7) lower BMI and 3.9 cm (95% CI 3.3, 4.5) smaller waist circumference. Compared with the reference birthweight, a birthweight of |3000 g was associated with more overall comorbidity (prevalence ratio [PR] for Charlson Comorbidity Index Score ≥3 was 1.36 [95% CI 1.07, 1.73]), having a systolic BP ≥155 mmHg (PR 1.26 [95% CI 0.99, 1.59]), lower prevalence of diabetes-associated neurological disease, less likelihood of family history of type 2 diabetes, use of three or more glucose-lowering drugs (PR 1.33 [95% CI 1.06, 1.65]) and use of three or more antihypertensive drugs (PR 1.09 [95% CI 0.99, 1.20]). Clinically defined low birthweight (|2500 g) yielded stronger associations. Most associations between birthweight and clinical characteristics appeared linear, and a hig
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