The Bontrager Line Carbon 30 TLR Boost 27.5in MTB Wheel is an industry-leading wheel that makes upgrading to carbon a no brainer. Rapid Drive 108 hubs provide instant engagement in a cost-effective package.Bontrager Line Carbon 30 TLR Boost 27.5in MTB Wheel FeaturesOCLV Pro carbon offers an optimized blend of weight, strength, and durabilityRapid Drive 54 hub instantly transfers effort into forward momentumTubeless-ready (TLR) rims allow for quick upgrades to tubelessBoost 110/148 wider hub flanges enhance bracing angle for a stiffer wheelUltra-durable OCLV Carbon rim with 29mm internal, 36mm external widthDoes not include skewer, reflector, rim strip, valve, or owner's manualBontrager Line Carbon 30 TLR Boost 27.5in MTB Wheel SpecificationsSizeFront, Not applicableRear, SRAM XD 11/12-speedFT/RRFrontRearDiameter27.5"27.5"TypeTubeless Ready (TLR)/ClincherTubeless Ready (TLR)/ClincherCassette compatibilityNot applicableSRAM XD 11/12-speedHub width110 mm148x12 mmHoles2828Butting1414Cross-sectionRoundRoundBrake type6-bolt disc6-bolt discAttachmentThru-axleThru-axleNipple locking typeAlloy lockingAlloy lockingValvePrestaPrestaWeight770g880g