Ascent Revolution Bottom Bracket CNC-Machined 6061-T6 Aluminium Bottom Bracket with Replaceable NTN Bearings 🔥 Precision. Smoothness. Reliability. 🔥 🚲 Bearings: NTN precision steel bearings (LLB sealed), fully replaceable 🚲 Shell standards: T47 (external & internal), BSA 68mm, BB86 press-fit 🚲 Spindle: 24mm (Shimano Hollowtech II) or 28.99mm (SRAM DUB) 🚲 Weight: approx. 100g (BSA / BB86) to 130g (T47) 🚲 Warranty: Please WhatsApp us for warranty terms More Information The Revolution Bottom Bracket Series is engineered for drivetrain efficiency, precise bearing alignment and long-term durability. Every unit is CNC-machined from 6061-T6 aluminium and fitted with premium NTN precision bearings for smooth, reliable performance on road, gravel and performance bikes. The T47 version uses a precision-machined two-piece aluminium shell that keeps both bearings perfectly aligned, with a specially narrowed centre section to improve frame compatibility. The BSA version uses a threaded two-piece shell, and the BB86 version a one-piece press-fit shell for simple installation. Every Revolution bottom bracket is equipped with NTN LLB sealed bearings for smoothness, durability and weather resistance. The bearings are fully replaceable with standard bearing tools, so the bottom bracket can keep running for years without replacing the whole unit. Compatibility ✔ T47 (External & Internal) – 24mm Shimano Hollowtech II, 28.99mm SRAM DUB. Suits both T47 external and T47 internal frames. The supplier also lists 30mm (long) spindle cranks for the T47 version; please WhatsApp us to confirm before ordering. ✔ BSA 68mm (threaded) – 24mm Shimano Hollowtech II, 28.99mm SRAM DUB ✔ BB86 (press-fit) – 24mm Shimano Hollowtech II, 28.99mm SRAM DUB ✔ SRAM GXP cranks – use the 24mm version with the optional GXP sleeve Available Options ✔ Model – T47E / BSA / BB86 ✔ Spindle Diameter – 24mm / DUB ✔ Six combinations available: T47E, BSA and BB86, each in 24mm or DUB Specifications ✔ Series: Revolution ✔ Bearings: NTN LLB sealed precision steel bearings, replaceable with standard bearing tools ✔ Material: CNC-machined 6061-T6 aluminium ✔ Shell Standards: T47 (external & internal), BSA 68mm, BB86 ✔ Spindle: 24mm (Shimano Hollowtech II), 28.99mm (SRAM DUB) ✔ Weight: T47 approx. 130g, BSA approx. 100g, BB86 approx. 100g ✔ Warranty: Please WhatsApp us for warranty terms Kindly note: stock availability shown online may not be up to date. Please WhatsApp us to confirm before ordering.
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